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

### Instruction:
What discs has a region 1 release date of January 22, 2008?

### Inputs:
table_name: table, columns: ['Volume', 'Discs', 'Episodes', 'Region 1 release', 'Region 2 release', 'Region 4 release']

### Response:
SELECT Discs FROM table WHERE Region 1 release = january 22, 2008