What is the score of the copa libertadores group 3 competition round on 2 February 1994?
CREATE TABLE "international" (
  "season" real,
  "date" text,
  "home_team" text,
  "score" text,
  "away_team" text,
  "venue" text,
  "competition_round" text
);
SELECT "score" FROM "international" WHERE "competition_round"='copa libertadores group 3' AND "date"='2 february 1994';