Which Outcome has an Opponent in the final of simone colombo?
CREATE TABLE "singles_titles_2" (
  "outcome" text,
  "date" real,
  "championship" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score_in_the_final" text
);
SELECT "outcome" FROM "singles_titles_2" WHERE "opponent_in_the_final"='simone colombo';