What is the largest amount of wins of someone who has an against score greater than 1249 and a number of losses less than 17?
CREATE TABLE "2008_ladder" (
  "mid_gippsland_fl" text,
  "wins" real,
  "byes" real,
  "losses" real,
  "draws" real,
  "against" real
);
SELECT MAX("wins") FROM "2008_ladder" WHERE "against">1249 AND "losses"<17;