user: Question: Who had the high rebounds record on December 12?
Columns: ['Game', 'Date', 'Team', 'Score', 'High points', 'High rebounds', 'High assists', 'Location Attendance', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [19.0, 'December 1', '@ New Jersey', 'W 123–120 (3OT)', 'Russell Westbrook (38)', 'Russell Westbrook (15)', 'Russell Westbrook (9)', 'Prudential Center 13,108', '13–6']
SQL:

assistant: SELECT "High rebounds" FROM "Table" WHERE "Date" = 'December 12';