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_24057191_2 (series INTEGER, average_viewers__millions_ VARCHAR)
### Question:
What series had an average of 3.72 million people watching it?
### Answer:
SELECT MAX(series) FROM table_24057191_2 WHERE average_viewers__millions_ = "3.72"