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_89 (year INTEGER, title VARCHAR)
### Question:
what is the average year when the title is baka to test to shōkanjū?
### Answer:
SELECT AVG(year) FROM table_name_89 WHERE title = "baka to test to shōkanjū"