Which tournament was played on 12 February 2001?
CREATE TABLE "doubles_champion_9" (
  "date" text,
  "tournament" text,
  "surface" text,
  "partnering" text,
  "opponent_in_the_final" text,
  "score" text
);
SELECT "tournament" FROM "doubles_champion_9" WHERE "date"='12 february 2001';