List all airlines. For every airline, compute the number of regional airports (full name of airport contains the string 'Regional') from which that airline does NOT fly, considering source airport only. Sort by airport count in descending order.

Expected:

Northwest Airlines	2
Southwest Airlines	2
United Airlines	2
AirTran Airways	1
Allegiant Air	1
American Airlines	1
Delta Airlines	1
Frontier Airlines	1
JetBlue Airways	1
Virgin America	1
Continental Airlines	0
US Airways	0

AIRLINES:

Id	Name	Abbr	Country
1	United Airlines	UAL	USA
2	US Airways	USAir	USA
3	Delta Airlines	Delta	USA
4	Southwest Airlines	Southwest	USA
5	American Airlines	American	USA
6	Northwest Airlines	Northwest	USA
7	Continental Airlines	Continental	USA
8	JetBlue Airways	JetBlue	USA
9	Frontier Airlines	Frontier	USA
10	AirTran Airways	AirTran	USA
11	Allegiant Air	Allegiant	USA
12	Virgin America	Virgin	USA

AIRPORTS:

City	Code	Name	Country	CAbbr
Apalachicola	AAF	Municipal	United States	US
Abilene	ABI	Municipal	United States	US
Ambler	ABL	Ambler	United States	US
Albuquerque	ABQ	Albuquerque International	United States	US
Aberdeen	ABR	Municipal	United States	US
Albany	ABY	Dougherty County	United States	US
Arcata	ACV	Arcata	United States	US
Adrian	ADG	Lenawee County	United States	US
Adak Island	ADK	Adak Island Ns	United States	US
Ardmore	ADM	Ardmore Municipal Arpt	United States	US
Andrews	ADR	Andrews	United States	US
Ada	ADT	Ada	United States	US
Aleneva	AED	Aleneva	United States	US
Albert Lea	AEL	Albert Lea	United States	US
Allakaket	AET	Allakaket	United States	US
Alexandria LA	AEX	Alexandria International	United States	US
Afton	AFO	Municipal	United States	US
Angoon	AGN	Angoon	United States	US
Ardmore	AHD	Downtown	United States	US
Arapahoe	AHF	Municipal	United States	US
Amery	AHH	Municipal	United States	US
Athens	AHN	Athens	United States	US
Amchitka	AHT	Amchitka	United States	US
Alliance	AIA	Alliance	United States	US
Anita Bay	AIB	Anita Bay	United States	US
Anderson	AID	Municipal	United States	US
Aiken	AIK	Municipal	United States	US
Aliceville AL	AIV	George Downer	United States	US
Akron/Canton	AKC	Fulton International	United States	US
Akiak	AKI	Akiak	United States	US
Akhiok	AKK	Akhiok SPB	United States	US
Akron CO	AKO	Colorado Plains Regional Airport	United States	US
Anaktuvuk	AKP	Anaktuvuk	United States	US
Albany	ALB	Albany International	United States	US
Alpine	ALE	Alpine	United States	US
Alice	ALI	International	United States	US
Alamogordo	ALM	Municipal	United States	US
Alton	ALN	Alton	United States	US
Alamosa	ALS	Municipal	United States	US
Alexander City AL	ALX	Thomas C Russell Fld	United States	US
Alitak	ALZ	Alitak SPB	United States	US
Amarillo	AMA	Rick Husband Amarillo International	United States	US
Alma	AMN	Gratiot Community	United States	US
Ames	AMW	Ames	United States	US
Anaheim	ANA	Orange County Steel Salvage Heliport	United States	US
Anniston AL	ANB	Anniston Metropolitan	United States	US
Anchorage	ANC	Ted Stevens Anchorage International Airport	United States	US
Anderson	AND	Anderson	United States	US
Aniak	ANI	Aniak	United States	US
Annette Island	ANN	Annette Island	United States	US
Annapolis	ANP	Lee	United States	US
Angola	ANQ	Tri-State Steuben Cty	United States	US
Anvik	ANV	Anvik	United States	US
Ainsworth	ANW	Ainsworth	United States	US
Anthony	ANY	Anthony	United States	US
Amook	AOS	Amook	United States	US
Aberdeen	APG	Phillips AAF	United States	US
Alpena	APN	Alpena County Regional	United States	US
Apple Valley	APV	Apple Valley	United States	US
Alyeska	AQY	Alyeska	United States	US
Ann Arbor MI	ARB	Municipal	United States	US
Arctic Village	ARC	Arctic Village	United States	US
Neptune	ARX	Asbury Park	United States	US
Aspen	ASE	Aspen	United States	US
Astoria	AST	Astoria	United States	US
Ashland	ASX	Ashland	United States	US
Ashley	ASY	Ashley	United States	US
Antlers	ATE	Antlers	United States	US
Athens	ATO	Ohio University	United States	US
Artesia	ATS	Artesia	United States	US
Appleton	ATW	Outagamie County	United States	US
Alakanuk	AUK	Alakanuk	United States	US
Alexandria Bay	AXB	Alexandria Bay	United States	US
Algona	AXG	Algona	United States	US
Alexandria	AXN	Alexandria	United States	US
Altus	AXS	Municipal	United States	US
Angel Fire	AXX	Angel Fire	United States	US
Amityville	AYZ	Zahns	United States	US
Akron/Canton OH	CAK	Akron/canton Regional	United States	US
Albany	CVO	Albany	United States	US
Abilene	DYS	Dyess AFB	United States	US
Anchorage	EDF	Elmendorf Afb	United States	US
Alexandria	ESF	Esler Field	United States	US
Alamogordo	HMN	Holloman AFB	United States	US
Arlington Heights	JLH	US Army Heliport	United States	US
Akiachak	KKI	Spb	United States	US
Akutan	KQA	Akutan	United States	US
Altus	LTS	Altus AFB	United States	US
Athens	MMI	McMinn County	United States	US
Anchorage	MRI	Merrill Field	United States	US
Albany	NAB	Albany NAS	United States	US
Anacostia	NDV	USN Heliport	United States	US
Alameda	NGZ	NAS	United States	US
Anacortes	OTS	Anacortes	United States	US
Anniston	QAW	Ft Mcclellan Bus Trml	United States	US
Anguilla	RFK	Rollang Field	United States	US
Anniston	RLI	Reilly AHP	United States	US
Amarillo	TDW	Tradewind	United States	US
Abingdon	VJI	Virginia Highlands	United States	US
Aleknagik	WKK	Aleknagik	United States	US

Flights: (To much Data to add)

Airline	int	NO	PRI	0
FlightNo	int	NO	PRI	0
Source	char(3)	YES	MUL	null
Destination	char(3)	YES	MUL	null