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_22380270_1 (written_by VARCHAR, us_viewers__millions_ VARCHAR)
  ### Question:
  Who was the writer for the episode with 2.15 million u.s.viewers?
  ### Answer:
  SELECT written_by FROM table_22380270_1 WHERE us_viewers__millions_ = "2.15"