What is the least amount of Byes when there are more than 2 wins and 1946 against?
CREATE TABLE "2009_ladder" (
  "hampden_fl" text,
  "wins" real,
  "byes" real,
  "losses" real,
  "draws" real,
  "against" real
);
SELECT MIN("byes") FROM "2009_ladder" WHERE "against"=1946 AND "wins">2;