user: Question: What is the most recent year that Iftiraas was the winner?
Columns: ['Year', 'Winner', 'Jockey', 'Trainer', 'Owner', 'Time']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2013.0, "Stephanie's Kitten", 'Julien Leparoux', 'Wayne M. Catalano', 'Ken & Sarah Ramsey', '1:37.94']
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "Winner" = 'Iftiraas';