Which opponent has an Outcome of winner, and a Date of 5 november 2011?
CREATE TABLE "singles_6_4_titles_2_runners_up" (
  "outcome" text,
  "date" text,
  "surface" text,
  "opponent" text,
  "score" text
);
SELECT "opponent" FROM "singles_6_4_titles_2_runners_up" WHERE "outcome"='winner' AND "date"='5 november 2011';