user: Question: In how many different games did Roy Hibbert (16) did the most high rebounds?
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: [1.0, 'October 6', '@ Memphis', 'L 85–87 (OT)', 'Roy Hibbert (18)', 'Roy Hibbert (10)', 'Darren Collison (5)', 'FedExForum 8,618', '0–1']
SQL:

assistant: SELECT COUNT("Game") FROM "Table" WHERE "High rebounds" = 'Roy Hibbert (16)';