query: SELECT train_number ,  TIME FROM train WHERE origin  =  'Chennai' AND destination  =  'Guruvayur'
question: Find the number and time of the train that go from Chennai to Guruvayur.
query_toks: SELECT train_number , TIME FROM train WHERE origin = 'Chennai ' AND destination = 'Guruvayur '
query_toks_no_value: select train_number , time from train where origin = value and destination = value
question_toks: Find the number and time of the train that go from Chennai to Guruvayur.