Name the Date which has Opponents in the final of patrick mcenroe tim wilkison?
CREATE TABLE "doubles_champion_12" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponents_in_the_final" text,
  "score_in_the_final" text
);
SELECT "date" FROM "doubles_champion_12" WHERE "opponents_in_the_final"='patrick mcenroe tim wilkison';