Which average Against has Drawn of 3, and Points larger than 9, and a Team of portuguesa?
CREATE TABLE "torneio_rio_s_o_paulo" (
  "position" real,
  "team" text,
  "points" real,
  "played" real,
  "drawn" real,
  "lost" real,
  "against" real,
  "difference" text
);
SELECT AVG("against") FROM "torneio_rio_s_o_paulo" WHERE "drawn"=3 AND "points">9 AND "team"='portuguesa';