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_28019988_2 (series__number INTEGER, production_code VARCHAR)
  ### Question:
  What series number is the episode with production code bdf101?
  ### Answer:
  SELECT MAX(series__number) FROM table_28019988_2 WHERE production_code = "BDF101"