CREATE TABLE "pga_tour_wins_5" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);

Question: What is the margin of victory for the winning score of −10 (71-65-68-70=274)?
SQL: SELECT "margin_of_victory" FROM "pga_tour_wins_5" WHERE "winning_score"='−10 (71-65-68-70=274)';

Question: Who is the runner(s)-up for a winning score of −3 (71-74-66-66=277)?
SQL: SELECT "runner_s_up" FROM "pga_tour_wins_5" WHERE "winning_score"='−3 (71-74-66-66=277)';