query: SELECT FlightNo FROM FLIGHTS WHERE SourceAirport  =  "APG"
question: What-all flight numbers of flights departing from Airport "APG"?
query_toks: SELECT FlightNo FROM FLIGHTS WHERE SourceAirport = `` APG ''
query_toks_no_value: select flightno from flights where sourceairport = value
question_toks: What-all flight numbers of flights departing from Airport "APG"?