SELECT T1.Airline FROM AIRLINES AS T1 JOIN FLIGHTS AS T2 ON T1.uid  =  T2.Airline WHERE T2.SourceAirport  =  "AHD"
What are airlines that have some flight departing from airport 'AHD'?
SELECT T1.Airline FROM AIRLINES AS T1 JOIN FLIGHTS AS T2 ON T1.uid = T2.Airline WHERE T2.SourceAirport = `` AHD ''
select t1 . airline from airlines as t1 join flights as t2 on t1 . uid = t2 . airline where t2 . sourceairport = value
What are airlines that have some flight departing from airport 'AHD ' ?