user: Question: Who was the Winner when Selby Riddle came in Fourth?
Columns: ['Event', 'Winner', 'Second', 'Third', 'Fourth']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ["2008 Telstra Men's Pro", 'Josh Constable', 'Seb Wilson', 'Grant Thomas', 'Jackson Close']
SQL:

assistant: SELECT "Winner" FROM "Table" WHERE "Fourth" = 'Selby Riddle';