user: Question: What was the round when he fought Joe Stevenson?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Loss', '24-26-2', 'Zebaztian Kadestam', 'TKO (leg kicks)', 'PXC - Pacific Xtreme Combat 35', '1', 'Pasig , Philippines']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Opponent" = 'Joe Stevenson';