query: SELECT count(*) FROM student WHERE sex  =  'F' AND age  <  25
question: How many female below 25 students (a sex is F) whose-all a age is?
query_toks: SELECT count ( * ) FROM student WHERE sex = 'F ' AND age < 25
query_toks_no_value: select count ( * ) from student where sex = value and age < value
question_toks: How many female below 25 students (a sex is F) whose-all a age is?