query: SELECT zip_code  ,  avg(mean_temperature_f) FROM weather WHERE date LIKE "8/%" GROUP BY zip_code
question: Each zip codes, what the average mean temperature all date that start '8'?
query_toks: SELECT zip_code , avg ( mean_temperature_f ) FROM weather WHERE date LIKE `` 8/ % '' GROUP BY zip_code
query_toks_no_value: select zip_code , avg ( mean_temperature_f ) from weather where date like value group by zip_code
question_toks: Each zip codes, what the average mean temperature all date that start '8'?