Which Set 1 has a Date of 24 may, and a Total of 57–75?
CREATE TABLE "pool_a" (
  "date" text,
  "score" text,
  "set_1" text,
  "set_2" text,
  "set_3" text,
  "total" text
);
SELECT "set_1" FROM "pool_a" WHERE "date"='24 may' AND "total"='57–75';