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_23392257_4 (original_airdate VARCHAR, _number VARCHAR)
  ### Question:
  What date did Episode 22 originally air?
  ### Answer:
  SELECT COUNT(original_airdate) FROM table_23392257_4 WHERE _number = 22