During the championship where the winning score was −9 (66-69-73-71=279)?, who was the runner-up?
CREATE TABLE "wins_7" (
  "year" real,
  "championship" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "runner_s_up" FROM "wins_7" WHERE "winning_score"='−9 (66-69-73-71=279)';