user: Question: Which Opponent has a Record of 2–0?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Loss', '5-4-1', 'Duane Bastress', 'TKO (doctor stoppage)', 'Bellator 54', 2.0, '5:00', 'Atlantic City, New Jersey , United States']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Record" = '2–0';