How many losses for the team with 3 wins and more than 1919 against?
CREATE TABLE "2008_ladder" (
  "mininera_dfl" text,
  "wins" real,
  "byes" real,
  "losses" real,
  "draws" real,
  "against" real
);
SELECT MIN("losses") FROM "2008_ladder" WHERE "wins"=3 AND "against">1919;