What is the Tournament with a Opponents in the final with rod laver fred stolle?
CREATE TABLE "doubles_titles_12" (
  "outcome" text,
  "date" real,
  "tournament" text,
  "partner" text,
  "opponents_in_the_final" text,
  "score_in_the_final" text
);
SELECT "tournament" FROM "doubles_titles_12" WHERE "opponents_in_the_final"='rod laver fred stolle';