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_12159115_3 (us_viewers__millions_ VARCHAR, directed_by VARCHAR)
  ### Question:
  How many viewers, in millions, were for the episode directed by Tawnia McKiernan?
  ### Answer:
  SELECT us_viewers__millions_ FROM table_12159115_3 WHERE directed_by = "Tawnia McKiernan"