Provide working SQL DML statements for the following CITY(Name, Nation, Population) AIRPORT(Code, City_FK, Nation_FK, NumTracks) FLHGHT(FlightID, DayOfWeek, DepartureAirport_FK, DepartureTime, ArrivalAirport_FK, ArrivalTime, Plane_FK) PLANE (ID, Type, NumPassengers, CargoSize) 1. Cities with airport having multiple tracks 2. Nations where flight UA472 departs and arrive 3. Type of plane used for flights from Denver 4. Plane type and num. of passengers used in flights departing from Chicago 1. If plane description is not available, just show the type Cities with international flights departures 10