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_18 (episode VARCHAR, airdate__canada_ VARCHAR)
  ### Question:
  What is the total number of episodes aired in Canada on 22 October 2004?
  ### Answer:
  SELECT COUNT(episode) FROM table_name_18 WHERE airdate__canada_ = "22 october 2004"