Which Against has more than 11 wins, and a Geelong FL of st josephs?
CREATE TABLE "2012_ladder" (
  "geelong_fl" text,
  "wins" real,
  "byes" real,
  "losses" real,
  "draws" real,
  "against" real
);
SELECT MIN("against") FROM "2012_ladder" WHERE "wins">11 AND "geelong_fl"='st josephs';