What tournament had Alberta Brianti as an opponent with a score of 6-4 2-6 6-2?
CREATE TABLE "singles_15_10_5" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent" text,
  "score" text
);
SELECT "tournament" FROM "singles_15_10_5" WHERE "opponent"='alberta brianti' AND "score"='6-4 2-6 6-2';