query: SELECT bedType ,  avg(basePrice) FROM Rooms GROUP BY bedType;
question: For each bed types, find the average base price of different bed types.
query_toks: SELECT bedType , avg ( basePrice ) FROM Rooms GROUP BY bedType ;
query_toks_no_value: select bedtype , avg ( baseprice ) from rooms group by bedtype
question_toks: For each bed types, find the average base price of different bed types.