What Tournament has a Winning score of −16 (66-64-67=197)?
CREATE TABLE "champions_tour_wins_25" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "tournament" FROM "champions_tour_wins_25" WHERE "winning_score"='−16 (66-64-67=197)';