Which Set 1 has a Set 2 of 26–24?
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 "set_2"='26–24';