query: SELECT count(*) ,  affiliation FROM university WHERE enrollment  >  20000 GROUP BY affiliation
question: What are the different affiliations, and how many schools with each have an enrollment size of above 20000?
query_toks: SELECT count ( * ) , affiliation FROM university WHERE enrollment > 20000 GROUP BY affiliation
query_toks_no_value: select count ( * ) , affiliation from university where enrollment > value group by affiliation
question_toks: What are the different affiliations, and how many schools with each have an enrollment size of above 20000?