user: Question: Which round has the scorer of Di Matteo?
Columns: ['Date', 'Round', 'Opponent', 'Venue', 'Result', 'Attendance', 'Scorers']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['11 December 1999', 'R3', 'Hull City', 'A', '6-1', 10279.0, 'Poyet (3), Sutton , Di Matteo , Wise']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Scorers" = 'Di Matteo';