Question: Who was the Runner-up for the Merrill Lynch/Golf Digest Commemorative Pro-Am tournament?
SQL: SELECT "Runner(s)-up" FROM "2-1544891-3" WHERE "Tournament" = 'Merrill Lynch/Golf Digest Commemorative Pro-Am';

Question: What was the margin of victory when the winning score was –14 (70-68-67=205)?
SQL: SELECT "Margin of victory" FROM "2-1544891-3" WHERE "Winning score" = '–14 (70-68-67=205)';

Question: Who were the runner(s)-up when the winning score was –10 (69-68-74-67=278)?
SQL: SELECT "Margin of victory" FROM "2-1544891-3" WHERE "Winning score" = '–10 (69-68-74-67=278)';

Question: Who was the runner-up for the Mazda Senior Tournament Players Championship tournament when the margin of victory was 2 strokes?
SQL: SELECT "Runner(s)-up" FROM "2-1544891-3" WHERE "Margin of victory" = '2 strokes' AND "Tournament" = 'Mazda Senior Tournament Players Championship';