user: Question: how many times were high rebounds Mehmet Okur , Paul Millsap (6)
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: [75.0, 'April 2', '@ Denver', 'L 104–114 (OT)', 'C. J. Miles (19)', 'Mehmet Okur (15)', 'Deron Williams (10)', 'Pepsi Center 17,969', '46–29']
SQL:

assistant: SELECT COUNT("Score") FROM "Table" WHERE "High rebounds" = 'Mehmet Okur , Paul Millsap (6)';