What Partner had a Score of 6–3, 2–6, 6–3?
CREATE TABLE "doubles_6_2_4" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponents" text,
  "score" text
);
SELECT "partner" FROM "doubles_6_2_4" WHERE "score"='6–3, 2–6, 6–3';