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_15607589_2 (first_downs VARCHAR, points_against VARCHAR)
### Question:
Name the first downs for points against being 0
### Answer:
SELECT first_downs FROM table_15607589_2 WHERE points_against = 0