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_22347090_6 (directed_by VARCHAR, us_viewers__million_ VARCHAR)
  ### Question:
  How many directors are there for the episode that had 1.59 million U.S. viewers?
  ### Answer:
  SELECT COUNT(directed_by) FROM table_22347090_6 WHERE us_viewers__million_ = "1.59"