user: ### NOW ANSWER:
Question: Name the high rebounds for American Airlines Center 20,557
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 18', 'San Antonio', 'W 100–94 (OT)', 'Dirk Nowitzki (36)', 'Erick Dampier (12)', 'Jason Kidd (11)', 'American Airlines Center 20,372', '1–0']
SQL:

assistant: SELECT "High rebounds" FROM "Table" WHERE "Location Attendance" = 'American Airlines Center 20,557';