query: SELECT sum(Enrollment) ,  affiliation FROM university WHERE founded  >  1850 GROUP BY affiliation
question: What what are the different affiliations, and so of schools founded after 1850 for each enrollment type is the total enrollment?
query_toks: SELECT sum ( Enrollment ) , affiliation FROM university WHERE founded > 1850 GROUP BY affiliation
query_toks_no_value: select sum ( enrollment ) , affiliation from university where founded > value group by affiliation
question_toks: What what are the different affiliations, and so of schools founded after 1850 for each enrollment type is the total enrollment?