What was the margin of victory when the winning score was −5 (69-69-73=211)?
CREATE TABLE "lpga_tour_wins_8" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "margin_of_victory" FROM "lpga_tour_wins_8" WHERE "winning_score"='−5 (69-69-73=211)';