What is Surface, when Opponents is "Daniel Nestor Sandon Stolle"?
CREATE TABLE "doubles_24_11_13" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponents" text,
  "score" text
);
SELECT "surface" FROM "doubles_24_11_13" WHERE "opponents"='daniel nestor sandon stolle';