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_15824796_4 (original_air_date VARCHAR, season__number VARCHAR)
### Question:
When did season 9 originally air?
### Answer:
SELECT original_air_date FROM table_15824796_4 WHERE season__number = 9