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_17641206_8 (episode VARCHAR, original_airdate VARCHAR)
  ### Question:
  How many episodes aired on 22january2009
  ### Answer:
  SELECT COUNT(episode) FROM table_17641206_8 WHERE original_airdate = "22January2009"