What was the Surface in the match with a Score of 7–5, 6–7, 4–6?
CREATE TABLE "doubles_5" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponents" text,
  "score" text
);
SELECT "surface" FROM "doubles_5" WHERE "score"='7–5, 6–7, 4–6';