How many under the category of Against have a Difference of 11
CREATE TABLE "campeonato_paulista" (
  "position" real,
  "team" text,
  "points" real,
  "played" real,
  "won" real,
  "drawn" real,
  "lost" real,
  "for" real,
  "against" real,
  "difference" real
);
SELECT COUNT("against") FROM "campeonato_paulista" WHERE "difference"=11;