CREATE TABLE table_name_24 (game INT, set_4 VARCHAR, set_3 VARCHAR)

What is the sum of the Game with a Set 4 of 25-21 and a Set 3 of 25-23?
SELECT SUM(game) FROM table_name_24 WHERE set_4 = "25-21" AND set_3 = "25-23"
SELECT SUM("game") FROM "table_name_24" WHERE "25-21" = "set_4" AND "25-23" = "set_3"