user: Question: The location attendance is Ford Center 17,021 on what dates?
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: [73.0, 'April 1', 'Denver', 'L 103–114', 'Earl Watson (28)', 'Rashard Lewis (9)', 'Luke Ridnour (8)', 'KeyArena 16,659', '30–43']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Location Attendance" = 'Ford Center 17,021';