user: Question: Who were the runners-up at the Alfred Dunhill Links Championship?
Columns: ['Date', 'Tournament', 'Winning score', 'Margin of victory', 'Runner(s)-up']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['5 Apr 2009', 'Estoril Open de Portugal', '–7 (66-76-69-66=277)', 'Playoff', 'Gonzalo Fernández-Castaño']
SQL:

assistant: SELECT "Runner(s)-up" FROM "Table" WHERE "Tournament" = 'Alfred Dunhill Links Championship';