What is Date, when Tournament is Alfred Dunhill Championship 1?
CREATE TABLE "sunshine_tour_wins_6" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "date" FROM "sunshine_tour_wins_6" WHERE "tournament"='alfred dunhill championship 1';