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 table_1337525_1 (region_4 VARCHAR, complete_series VARCHAR)
  ### Question:
  What is the number of region 4 for the series of the complete seventh series?
  ### Answer:
  SELECT COUNT(region_4) FROM table_1337525_1 WHERE complete_series = "The Complete Seventh Series"