What is the average number of against with less than 10 losses, more than 0 draws, and more than 7 wins?
CREATE TABLE "2011_ladder" (
  "wimmera_fl" text,
  "wins" real,
  "byes" real,
  "losses" real,
  "draws" real,
  "against" real
);
SELECT AVG("against") FROM "2011_ladder" WHERE "losses"<10 AND "draws">0 AND "wins">7;