user: Question: Who was the opponent when there was a TKO method?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Win', '6-2', 'LeVon Maynard', 'Decision (unanimous)', 'Matrix Fights 1', 3.0, '5:00', 'Philadelphia, Pennsylvania , United States']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Method" = 'TKO';