query: SELECT semester ,  YEAR FROM takes GROUP BY semester ,  YEAR ORDER BY count(*) LIMIT 1
question: It is the fewest students that which semeseter and year been had?
query_toks: SELECT semester , YEAR FROM takes GROUP BY semester , YEAR ORDER BY count ( * ) LIMIT 1
query_toks_no_value: select semester , year from takes group by semester , year order by count ( * ) limit value
question_toks: It is the fewest students that which semeseter and year been had?