query: SELECT count(*) ,  T1.blockcode FROM BLOCK AS T1 JOIN room AS T2 ON T1.blockfloor  =  T2.blockfloor AND T1.blockcode  =  T2.blockcode GROUP BY T1.blockcode
question: Find that number of room for different block codes?
query_toks: SELECT count ( * ) , T1.blockcode FROM BLOCK AS T1 JOIN room AS T2 ON T1.blockfloor = T2.blockfloor AND T1.blockcode = T2.blockcode GROUP BY T1.blockcode
query_toks_no_value: select count ( * ) , t1 . blockcode from block as t1 join room as t2 on t1 . blockfloor = t2 . blockfloor and t1 . blockcode = t2 . blockcode group by t1 . blockcode
question_toks: Find that number of room for different block codes?