How many byes when there are 11 wins and fewer than 5 losses?
CREATE TABLE "2012_ladder" (
  "central_murray" text,
  "wins" real,
  "byes" real,
  "losses" real,
  "draws" real,
  "against" real
);
SELECT SUM("byes") FROM "2012_ladder" WHERE "wins"=11 AND "losses"<5;