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

### Instruction:
How many connections aux in using FIrewire?

### Inputs:
table_name: table, columns: ['Version', 'Dock Connection', 'AUX In', 'Battery', 'iPhone Certified', 'Video Out', 'Dual Voltage']

### Response:
SELECT COUNT AUX In FROM table WHERE Dock Connection = FireWire