user: Question: What is the date that 4,286 attended?
Columns: ['Date', 'Opponent', 'Result', 'Game Site', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Cup Quarterfinals', 'Cup Quarterfinals', 'Cup Quarterfinals', 'Cup Quarterfinals', 'Cup Quarterfinals']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Attendance" = '4,286';