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_name_22 (release_date VARCHAR, dvd_title VARCHAR)
### Question:
What is the release date for Ben 10: Alien Force Volume 9 on DVD?
### Answer:
SELECT release_date FROM table_name_22 WHERE dvd_title = "ben 10: alien force volume 9"