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_12146637_1 (series__number INTEGER, us_viewers__millions_ VARCHAR)
  ### Question:
  What is the series number of the episode watched by 10.89 million viewers?
  ### Answer:
  SELECT MAX(series__number) FROM table_12146637_1 WHERE us_viewers__millions_ = "10.89"