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_15431959_1 (original_air_date VARCHAR, written_by VARCHAR)
  ### Question:
  What was the original air date of Stargate SG-1 written by Peter Deluise?
  ### Answer:
  SELECT original_air_date FROM table_15431959_1 WHERE written_by = "Peter DeLuise"