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_25997153_1 (no_in_series INTEGER, us_viewers__million_ VARCHAR)
  ### Question:
  what is the latest episode in the series that had 16.17 million u.s. viewers?
  ### Answer:
  SELECT MAX(no_in_series) FROM table_25997153_1 WHERE us_viewers__million_ = "16.17"