user: Question: What dated was the game played at the location Delta Center 19,911?
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: [46.0, 'February 2', '@ Milwaukee Bucks', 'L 106-122', 'B. Benjamin (19)', 'B. Benjamin (13)', 'T. Brown (4)', 'Bradley Center 17,832', '22-24']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Location Attendance" = 'Delta Center 19,911';