What is the smallest number against when the draws are less than 0?
CREATE TABLE "2009_ladder_and_finals" (
  "benalla_dfl" text,
  "wins" real,
  "losses" real,
  "draws" real,
  "byes" real,
  "against" real
);
SELECT MIN("against") FROM "2009_ladder_and_finals" WHERE "draws"<0;