What is Tournament, when Outcome is Winner, and when Date is 13 July 2013?
CREATE TABLE "singles_16_9_7" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent" text,
  "score" text
);
SELECT "tournament" FROM "singles_16_9_7" WHERE "outcome"='winner' AND "date"='13 july 2013';