user: Question: Which Opponent has a Method of Submission?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Loss', '14–8', 'Muhammed Lawal', 'KO (punch)', 'Bellator 96', 1.0, '1:35', 'Thackerville, Oklahoma , United States']
SQL:

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