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_299121_2 (season VARCHAR, viewers__in_millions_ VARCHAR)
### Question:
When did the season premiere that saw 8.4 million viewers first air?
### Answer:
SELECT season AS premiere FROM table_299121_2 WHERE viewers__in_millions_ = "8.4"