query: SELECT star_rating_code ,  avg(price_range) FROM HOTELS GROUP BY star_rating_code
question: Show the average price hotel each star rating code.
query_toks: SELECT star_rating_code , avg ( price_range ) FROM HOTELS GROUP BY star_rating_code
query_toks_no_value: select star_rating_code , avg ( price_range ) from hotels group by star_rating_code
question_toks: Show the average price hotel each star rating code.