query: SELECT T1.Airline FROM AIRLINES AS T1 JOIN FLIGHTS AS T2 ON T1.uid  =  T2.Airline WHERE T2.SourceAirport  =  "APG" INTERSECT SELECT T1.Airline FROM AIRLINES AS T1 JOIN FLIGHTS AS T2 ON T1.uid  =  T2.Airline WHERE T2.SourceAirport  =  "CVO"
question: Find all airline where have flight from both airport 'APG' and 'CVO'.
query_toks: SELECT T1.Airline FROM AIRLINES AS T1 JOIN FLIGHTS AS T2 ON T1.uid = T2.Airline WHERE T2.SourceAirport = `` APG '' INTERSECT SELECT T1.Airline FROM AIRLINES AS T1 JOIN FLIGHTS AS T2 ON T1.uid = T2.Airline WHERE T2.SourceAirport = `` CVO ''
query_toks_no_value: select t1 . airline from airlines as t1 join flights as t2 on t1 . uid = t2 . airline where t2 . sourceairport = value intersect select t1 . airline from airlines as t1 join flights as t2 on t1 . uid = t2 . airline where t2 . sourceairport = value
question_toks: Find all airline where have flight from both airport 'APG' and 'CVO'.