What is Tournament, when Date is "9 August 1993"?
CREATE TABLE "doubles_24_11_13" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponents" text,
  "score" text
);
SELECT "tournament" FROM "doubles_24_11_13" WHERE "date"='9 august 1993';