user: Question: What Event did John Dibella win?
Columns: ['Date', 'City', 'Event', 'Winner', 'Prize']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2–7 August 2011', 'Tallinn', 'EPT Tallinn', 'Ronny Kaiser', '€275,000']
SQL:

assistant: SELECT "Event" FROM "Table" WHERE "Winner" = 'John Dibella';