user: Question: Which Date has High rebounds of Pau Gasol (9)?
Columns: ['Game', 'Date', 'Team', 'Score', 'High points', 'High rebounds', 'Location Attendance', 'Series']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'April 19', 'Utah', 'W 113–100 (OT)', 'Kobe Bryant (24)', 'Pau Gasol (9)', 'Staples Center 18,997', '1–0']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "High rebounds" = 'Pau Gasol (9)';