Who was the runner(s)-up for the Feb 18, 1996 tournament?
CREATE TABLE "senior_pga_tour_wins_10" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "runner_s_up" FROM "senior_pga_tour_wins_10" WHERE "date"='feb 18, 1996';