query: SELECT FlightNo FROM FLIGHTS WHERE DestAirport  =  "APG"
question: Give the flight numbers of flights landing at APG.
query_toks: SELECT FlightNo FROM FLIGHTS WHERE DestAirport = `` APG ''
query_toks_no_value: select flightno from flights where destairport = value
question_toks: Give the flight numbers of flights landing at APG.