What is the To Par of winning score 71-66-70-67=274?
CREATE TABLE "european_tour_wins_19" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "to_par" text,
  "margin_of_victory" text
);
SELECT "to_par" FROM "european_tour_wins_19" WHERE "winning_score"='71-66-70-67=274';