CREATE TABLE table_name_56 (losses INT, team VARCHAR, goals_against VARCHAR)

What is the sum of the losses by the Montreal Hockey Club, who have more than 15 Goals Against?
SELECT SUM(losses) FROM table_name_56 WHERE team = "montreal hockey club" AND goals_against > 15
SELECT SUM("losses") FROM "table_name_56" WHERE "goals_against" > 15 AND "montreal hockey club" = "team"