Which championship after 1985 had a winning score of –8 (68-72-69-71=280)?
CREATE TABLE "wins_6" (
  "year" real,
  "championship" text,
  "winning_score" text,
  "margin" text,
  "runner_up" text
);
SELECT "championship" FROM "wins_6" WHERE "year">1985 AND "winning_score"='–8 (68-72-69-71=280)';