CREATE TABLE table_name_88 (losses INT, goals_against VARCHAR, wins VARCHAR)

What is the average loss with a goal higher than 51 and wins higher than 14?
SELECT AVG(losses) FROM table_name_88 WHERE goals_against > 51 AND wins > 14
SELECT AVG("losses") FROM "table_name_88" WHERE "goals_against" > 51 AND "wins" > 14