Table schema:
CREATE TABLE table_name_14 (goals_for INTEGER, goals_against VARCHAR, points VARCHAR, position VARCHAR)

Question: What is the sum of the goals with less than 30 points, a position less than 10, and more than 57 goals against?
SQL: SELECT SUM(goals_for) FROM table_name_14 WHERE points < 30 AND position < 10 AND goals_against > 57