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_17758010_2 (original_air_date VARCHAR, us_viewers__millions_ VARCHAR)
  ### Question:
  How many original air dates have U.S. Views (millions) of 19.49?
  ### Answer:
  SELECT COUNT(original_air_date) FROM table_17758010_2 WHERE us_viewers__millions_ = "19.49"