CREATE TABLE "pool_b" (
  "date" text,
  "score" text,
  "set_1" text,
  "set_2" text,
  "set_3" text,
  "total" text
);

Question: What was the Set 1 game score when Set 3 game score was 15–4, and a Set 2 game score was 15–7?
SQL: SELECT "set_1" FROM "pool_b" WHERE "set_3"='15–4' AND "set_2"='15–7';