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_22181917_2 (original_air_date VARCHAR, season__number VARCHAR)
  ### Question:
  How many original airdates did season 20 have?
  ### Answer:
  SELECT COUNT(original_air_date) FROM table_22181917_2 WHERE season__number = 20