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_20 (points_difference VARCHAR, points_against VARCHAR)
### Question:
Which Points difference has Points against of 786?
### Answer:
SELECT points_difference FROM table_name_20 WHERE points_against = "786"