Task: Text to Code
Input (English): SQL: SELECT T2.FlightNo FROM airports AS T1 JOIN flights AS T2 ON T1.AirportCode = T2.SourceAirport WHERE T1.AirportName = "APG"
Feedback: source airport should be APG not airport name .
Output (English): SELECT FlightNo FROM FLIGHTS WHERE SourceAirport  =  "APG"