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

### Instruction:
When was the attendance less than 44,851 during the first 4 weeks of the season?

### Inputs:
table_name: table, columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']

### Response:
SELECT Date FROM table WHERE Week < 4 AND Attendance = 44,851