query: SELECT Fname ,  Lname ,  Age FROM Student WHERE Sex  =  'F'
question: What-all are the full names and ages for all female students whose sex is F?
query_toks: SELECT Fname , Lname , Age FROM Student WHERE Sex = 'F '
query_toks_no_value: select fname , lname , age from student where sex = value
question_toks: What-all are the full names and ages for all female students whose sex is F?