What is the first yar that someone won with a score of 68-66-68-71=273?
CREATE TABLE "western_open" (
  "year" real,
  "player" text,
  "country" text,
  "score" text,
  "to_par" text,
  "margin" real,
  "earnings" real
);
SELECT MIN("year") FROM "western_open" WHERE "score"='68-66-68-71=273';