CREATE TABLE table_59421 ("Geelong FL" TEXT, "Wins" FLOAT, "Byes" FLOAT, "Losses" FLOAT, "Draws" FLOAT, "Against" FLOAT)

What's the average against of Leopold with more than 11 wins?
SELECT AVG("Against") FROM table_59421 WHERE "Geelong FL" = 'leopold' AND "Wins" > '11'
SELECT AVG("Against") FROM "table_59421" WHERE "Geelong FL" = 'leopold' AND "Wins" > '11'