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_18481791_3 (title VARCHAR, us_viewers__in_millions_ VARCHAR)
### Question:
What is the title when u.s. viewers (millions) is 3.97?
### Answer:
SELECT title FROM table_18481791_3 WHERE us_viewers__in_millions_ = "3.97"