query: SELECT poll_source FROM candidate GROUP BY poll_source ORDER BY count(*) DESC LIMIT 1
question: Which poll resource been provided that most number of might candidate information?
query_toks: SELECT poll_source FROM candidate GROUP BY poll_source ORDER BY count ( * ) DESC LIMIT 1
query_toks_no_value: select poll_source from candidate group by poll_source order by count ( * ) desc limit value
question_toks: Which poll resource been provided that most number of might candidate information?