Question: What is the margin of victory for the winning score of −10 (71-65-68-70=274)?
SQL: SELECT "Margin of victory" FROM "2-1157761-5" 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 "2-1157761-5" WHERE "Winning score" = '−3 (71-74-66-66=277)';