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_23242933_2 (title VARCHAR, us_viewers__millions_ VARCHAR)
### Question:
How many different titles are there of episodes that have been seen by 7.84 million people in the US/
### Answer:
SELECT COUNT(title) FROM table_23242933_2 WHERE us_viewers__millions_ = "7.84"