CREATE TABLE table_name_75 (set_1 VARCHAR2, set_3 VARCHAR2, set_2 VARCHAR2)

What was the Set 1 game score when Set 3 game score was 15 4, and a Set 2 game score was 15 7?
SELECT set_1 FROM table_name_75 WHERE set_3 = "15–4" AND set_2 = "15–7"
SELECT "set_1" FROM "table_name_75" WHERE "15–4" = "set_3" AND "15–7" = "set_2"