user: Question: How many high rebounds are in series 3-3?
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', '@ Atlanta', 'L 92–102 (OT)', 'B. Jennings (34)', 'K. Thomas (9)', 'B. Jennings (3)', 'Philips Arena 18,729', '0-1']
SQL:

assistant: SELECT COUNT("High rebounds") FROM "Table" WHERE "Series" = '3-3';