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_2468961_4 (production_code INTEGER, original_air_date VARCHAR)
  ### Question:
  What was the production code for the episode that debuted October 1, 1993?
  ### Answer:
  SELECT MAX(production_code) FROM table_2468961_4 WHERE original_air_date = "October 1, 1993"