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_17525955_2 (rating VARCHAR, us_air_date VARCHAR)
  ### Question:
  How many rating/share values does the episode aired on Saturday, May 9, 2009?
  ### Answer:
  SELECT COUNT(rating) / SHARE(18 AS –49) FROM table_17525955_2 WHERE us_air_date = "Saturday, May 9, 2009"