Consider the following database: Vehicle Vehicle_id Model L-9078 Lexus M-2364 Mercedes G-4578 GMC T-7326 Toyota Color Black Silver Blue Silver Year 2009 2005 2014 2007 Custom_ID 31 46 20 16 Customer Custom_ID 31 Name Ali 16 Address Salalah Suhar Muscat Muscat Sohar Muna Salim Laila Salim 46 20 40 BirthDate 01-Jan-67 13-Feb-85 23-Oct-70 11-Dec-80 12-Apr-77 Write the SQL query that gives the number of cars owned by every customer