Question: Which Runner(s)-up has a Margin of victory of 1 stroke, and a Tournament of World Seniors Invitational?
SQL: SELECT "Runner(s)-up" FROM "2-1510351-2" WHERE "Margin of victory" = '1 stroke' AND "Tournament" = 'World Seniors Invitational';

Question: Which Date has a Margin of victory of 4 strokes?
SQL: SELECT "Date" FROM "2-1510351-2" WHERE "Margin of victory" = '4 strokes';

Question: Which Runner(s)-up has a Tournament of General Foods PGA Seniors' Championship?
SQL: SELECT "Runner(s)-up" FROM "2-1510351-2" WHERE "Tournament" = 'General Foods PGA Seniors'' Championship';

Question: Which Tournament has a Margin of victory of 2 strokes, and a Winning score of −14 (68-66-68=202)?
SQL: SELECT "Tournament" FROM "2-1510351-2" WHERE "Margin of victory" = '2 strokes' AND "Winning score" = '−14 (68-66-68=202)';

Question: Which Date has a Winning score of −9 (70-64-70=203)?
SQL: SELECT "Date" FROM "2-1510351-2" WHERE "Winning score" = '−9 (70-64-70=203)';