user: Question: Who has a Record of 5-2?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Win', '21-12-1', 'Angelo Duarte', 'Submission (rear-naked choke)', 'ROF 42', 1.0, '1STBANK CENTER, BROOMFIELD, United States']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Record" = '5-2';