user: Question: Who is the opponent of the match with a method of Submission (armbar) and a 9-3-1 record?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Loss', '11-5-1', 'Marloes Coenen', 'KO (punch)', 'Smackgirl 2005: Cool Fighter Last Stand', 2.0, '0:50', 'Numazu , Japan']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Method" = 'Submission (armbar)' AND "Record" = '9-3-1';