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_1 (last_aired INTEGER, returning VARCHAR)
### Question:
What was the earliest aired show that's returning on September 13?
### Answer:
SELECT MIN(last_aired) FROM table_name_1 WHERE returning = "september 13"