user: Question: What is the average round for the TKO (punches and elbows) method?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Loss', '7-8-1', 'Lauren Taylor', 'Decision (unanimous)', 'Invicta FC 5: Penne vs. Waterson', 3.0, '5:00', 'Kansas City, Missouri , United States']
SQL:

assistant: SELECT AVG("Round") FROM "Table" WHERE "Method" = 'TKO (punches and elbows)';