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_27481781_2 (no_in_series VARCHAR, viewers__millions_ VARCHAR)
  ### Question:
  How many episodes have 18.73 million viewers?
  ### Answer:
  SELECT COUNT(no_in_series) FROM table_27481781_2 WHERE viewers__millions_ = "18.73"