query: SELECT CLASS FROM race GROUP BY CLASS ORDER BY count(*) DESC LIMIT 1
question: What-all are that race clases with number of races.
query_toks: SELECT CLASS FROM race GROUP BY CLASS ORDER BY count ( * ) DESC LIMIT 1
query_toks_no_value: select class from race group by class order by count ( * ) desc limit value
question_toks: What-all are that race clases with number of races.