user: Question: What are the high rebounds in the  Jamal Crawford (20) high points?
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: [36.0, 'January 2', '@ L.A. Clippers', 'W 107–98 (OT)', 'Joe Johnson (29)', 'Al Horford , Josh Smith (10)', 'Mike Bibby , Jamal Crawford , Joe Johnson (4)', 'Staples Center 16,750', '22–14']
SQL:

assistant: SELECT "High rebounds" FROM "Table" WHERE "High points" = 'Jamal Crawford (20)';