Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
When was the game played if the attendance is less than 6427.0?

### Inputs:
table_name: table, columns: ['#', 'Date', 'at/vs.', 'Opponent', 'Score', 'Attendance', 'Record']

### Response:
SELECT Date FROM table WHERE Attendance < 6427.0