query: SELECT count(*) ,  building FROM classroom WHERE capacity  >  50 GROUP BY building
question: Find that number of room with more than 50 capacitys for each building.
query_toks: SELECT count ( * ) , building FROM classroom WHERE capacity > 50 GROUP BY building
query_toks_no_value: select count ( * ) , building from classroom where capacity > value group by building
question_toks: Find that number of room with more than 50 capacitys for each building.