user: Question: Who had the most rebounds when the team record was 15-27?
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: [32.0, 'January 1', '@ LA Lakers', 'L 108–109 (OT)', 'Spencer Hawes (30)', 'Spencer Hawes (11)', 'Beno Udrih (13)', 'Staples Center 18,997', '14-18']
SQL:

assistant: SELECT MAX("High rebounds") FROM "Table" WHERE "Record" = '15-27';