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_72 (points_for INTEGER, points_against VARCHAR, points VARCHAR)
### Question:
What is the average Points For when there are Points Against more than 780, and Points smaller than 0?
### Answer:
SELECT AVG(points_for) FROM table_name_72 WHERE points_against > 780 AND points < 0