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_name_53 (series VARCHAR, release_date VARCHAR, production_num VARCHAR)
  ### Question:
  Which series had a release on 1939-07-15 with the 8863 production number?
  ### Answer:
  SELECT series FROM table_name_53 WHERE release_date = "1939-07-15" AND production_num = "8863"