user: Question: When Carmelo Anthony (42) has the highest amount of points how many measurements of highest rebounds are there?
Columns: ['Game', 'Date', 'Team', 'Score', 'High points', 'High rebounds', 'High assists', 'Location Attendance', 'Series']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'April 17', 'Utah', 'W 126–113 (OT)', 'Carmelo Anthony (42)', 'Kenyon Martin (12)', 'Chauncey Billups (8)', 'Pepsi Center 19,155', '1–0']
SQL:

assistant: SELECT COUNT("High rebounds") FROM "Table" WHERE "High points" = 'Carmelo Anthony (42)';