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_2370579_1 (prod__number INTEGER, episode__number VARCHAR)
### Question:
What is the production number for episode 23?
### Answer:
SELECT MIN(prod__number) FROM table_2370579_1 WHERE episode__number = 23