query: SELECT sum(Enrollment) ,  affiliation FROM university WHERE founded  >  1850 GROUP BY affiliation
question: Find the total number student enrolled college that were founded year 1850 each affiliation types.
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: Find the total number student enrolled college that were founded year 1850 each affiliation types.