text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE manufacturer (num_of_shops INTEGER, Num_of_Factories INTEGER, open_year INTEGER)
  ### Question:
  what is the average number of factories and maximum number of shops for manufacturers that opened before 1990.
  ### Answer:
  SELECT MAX(num_of_shops), AVG(Num_of_Factories) FROM manufacturer WHERE open_year < 1990