SELECT count(DISTINCT dst_apid) FROM airlines AS T1 JOIN routes AS T2 ON T1.alid  =  T2.alid WHERE T1.name  =  'American Airlines'
What is the number of different different airports that are destinations for American Airlines?
SELECT count ( DISTINCT dst_apid ) FROM airlines AS T1 JOIN routes AS T2 ON T1.alid = T2.alid WHERE T1.name = 'American Airlines '
select count ( distinct dst_apid ) from airlines as t1 join routes as t2 on t1 . alid = t2 . alid where t1 . name = value
What is the number of different different airports that are destinations for American Airlines ?