Question: What is Date, when Runner(s)-Up is Oliver Wilson?
SQL: SELECT "Date" FROM "2-1621984-3" WHERE "Runner(s)-up" = 'Oliver Wilson';

Question: What is Date, when Margin Of Victory is 4 strokes?
SQL: SELECT "Date" FROM "2-1621984-3" WHERE "Margin of victory" = '4 strokes';

Question: What is Runner(s)-up, when Date is 21 Jan 2007?
SQL: SELECT "Runner(s)-up" FROM "2-1621984-3" WHERE "Date" = '21 Jan 2007';

Question: What is Tournament, when Margin Of Victory is 1 stroke, and when Date is 18 Jan 2009?
SQL: SELECT "Tournament" FROM "2-1621984-3" WHERE "Margin of victory" = '1 stroke' AND "Date" = '18 Jan 2009';