Return the number of routes with destination airport in Italy operated by the airline with name 'American Airlines"?
SELECT count ( * )  FROM routes AS T1 JOIN airports AS T2 ON T1.dst_apid   =   T2.apid JOIN airlines AS T3 ON T1.alid   =   T3.alid WHERE T2.country   =   'Italy' AND T3.name   =   'American Airlines'
number of routes = COUNT(*); destination airport in Italy refers to T2.country = 'Italy'; operated by 'American Airlines' refers to T3.name = 'American Airlines'; JOIN used to combine rows from two or more tables based on a related column.