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_25740548_2 (original_air_date VARCHAR, directed_by VARCHAR)
  ### Question:
  How many episodes were directed by Tim Matheson?
  ### Answer:
  SELECT COUNT(original_air_date) FROM table_25740548_2 WHERE directed_by = "Tim Matheson"