user: Question: Who was the opponent when he went more than 1 round with a record of 12-7?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Loss', '15-8', 'Clay Collard', 'Decision (split)', 'Showdown Fights - Buchholz vs. Collard 2', 5.0, '5:00', 'Orem, Utah , United States']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Round" > 1.0 AND "Record" = '12-7';