query: SELECT count(*) FROM city WHERE county_ID IN (SELECT county_ID FROM county_public_safety WHERE population  >  20000)
question: Show that number of cities in county have one population more than 20000.
query_toks: SELECT count ( * ) FROM city WHERE county_ID IN ( SELECT county_ID FROM county_public_safety WHERE population > 20000 )
query_toks_no_value: select count ( * ) from city where county_id in ( select county_id from county_public_safety where population > value )
question_toks: Show that number of cities in county have one population more than 20000.