user: Question: What is the Winner of the Event in Punta del Este?
Columns: ['Date', 'City', 'Event', 'Winner', 'Prize']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['March 21–25, 2012', 'Viña del Mar', 'LAPT Viña del Mar - Chile', 'Alirio Diaz', '$129,470']
SQL:

assistant: SELECT "Winner" FROM "Table" WHERE "City" = 'Punta del Este';