What was the outcome of the tournament with Akiko Yonemura as a partner on a hard surface?
CREATE TABLE "doubles_25_12_13" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponents_in_the_final" text,
  "score" text
);
SELECT "outcome" FROM "doubles_25_12_13" WHERE "surface"='hard' AND "partner"='akiko yonemura';