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

### Instruction:
What class has a capacity smaller than 3384 for Ferguson?

### Inputs:
table_name: table, columns: ['Driver', 'Navigator', 'Vehicle', 'Class', 'Capacity', 'Total Time', 'Margin']

### Response:
SELECT Class FROM table WHERE Capacity < 3384 AND Navigator = ferguson