query: SELECT count(*) FROM Student WHERE city_code  =  "HKG" OR city_code  =  "CHI"
question: How many student are living HKG or CHI?
query_toks: SELECT count ( * ) FROM Student WHERE city_code = `` HKG '' OR city_code = `` CHI ''
query_toks_no_value: select count ( * ) from student where city_code = value or city_code = value
question_toks: How many student are living HKG or CHI?