What is the Opponent from the final with a Partner named jorgelina cravero?
CREATE TABLE "doubles_6" (
  "date" text,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponent_in_the_final" text,
  "score" text
);
SELECT "opponent_in_the_final" FROM "doubles_6" WHERE "partner"='jorgelina cravero';