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_22078972_2 (no_in_series INTEGER, us_viewers__millions_ VARCHAR)
### Question:
What's the series number of the episode seen by 17.04 million people in the US?
### Answer:
SELECT MAX(no_in_series) FROM table_22078972_2 WHERE us_viewers__millions_ = "17.04"