user: Question: What is the date of the game with more than 16015 in attendance with a Colorado Visitor?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['January 2', 'Philadelphia', '1 – 0', 'Boston', 'Niittymaki', 16980.0, '25–8–6']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Attendance" > 16015.0 AND "Visitor" = 'Colorado';