Who was the runner-up on 5 aug 1990?
CREATE TABLE "european_tour_wins_7" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_up" text
);
SELECT "runner_up" FROM "european_tour_wins_7" WHERE "date"='5 aug 1990';