Task: Text to Code
Input (English): SQL: SELECT T1.Airline FROM airlines AS T1 JOIN airports AS T2 WHERE T2.Country = "APG" INTERSECT SELECT T1.Airline FROM airlines AS T1 JOIN airports AS T2 WHERE T2.Country = "CVO"
Feedback: Exchange country with airport code in both step 2 and step 3.
Output (English): 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"