query: SELECT max(num_of_shops) ,  avg(Num_of_Factories) FROM manufacturer WHERE open_year  <  1990
question: what is the average number of factories and maximum number of shops for manufacturers that open before 1990.
query_toks: SELECT max ( num_of_shops ) , avg ( Num_of_Factories ) FROM manufacturer WHERE open_year < 1990
query_toks_no_value: select max ( num_of_shops ) , avg ( num_of_factories ) from manufacturer where open_year < value
question_toks: what is the average number of factories and maximum number of shops for manufacturers that open before 1990.