query: SELECT FlightNo FROM FLIGHTS WHERE DestAirport  =  "APG"
question: What-all are flight numbers of flights a-arriving at Airport "APG"?
query_toks: SELECT FlightNo FROM FLIGHTS WHERE DestAirport = `` APG ''
query_toks_no_value: select flightno from flights where destairport = value
question_toks: What-all are flight numbers of flights a-arriving at Airport "APG"?