Which Byes have an Against larger than 1018, and a Wimmera FL of horsham diggers?
CREATE TABLE "2012_ladder" (
  "wimmera_fl" text,
  "wins" real,
  "byes" real,
  "losses" real,
  "draws" real,
  "against" real
);
SELECT MIN("byes") FROM "2012_ladder" WHERE "against">1018 AND "wimmera_fl"='horsham diggers';