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_29747178_3 (directed_by VARCHAR, us_viewers__million_ VARCHAR)
### Question:
Who directed the episode that was watched by 2.67 million U.S. viewers?
### Answer:
SELECT directed_by FROM table_29747178_3 WHERE us_viewers__million_ = "2.67"