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_26 (episode__number INTEGER, format__number VARCHAR)
### Question:
What is the average episode number with q146 format?
### Answer:
SELECT AVG(episode__number) FROM table_name_26 WHERE format__number = "q146"