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_28081876_6 (season_no VARCHAR, production_code VARCHAR)
### Question:
What season number was assigned to the episode identified with the production code 401? 
### Answer:
SELECT season_no FROM table_28081876_6 WHERE production_code = 401