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_27987623_1 (season_episode VARCHAR, us_viewers__in_million_ VARCHAR)
### Question:
What was the episode number for the episode viewed by 5.68 million viewers?
### Answer:
SELECT season_episode FROM table_27987623_1 WHERE us_viewers__in_million_ = "5.68"