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

### Instruction:
Name the 4 car sets for 6 car sets being 44

### Inputs:
table_name: table, columns: ['Fiscal year', '2-car sets', '3-car sets', '4-car sets', '6-car sets', '8-car sets', 'Total vehicles']

### Response:
SELECT MIN 4-car sets FROM table WHERE 6-car sets = 44