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

### Instruction:
What is the Region of the release with Catalog number 3 12046 2?

### Inputs:
table_name: table, columns: ['Region', 'Date', 'Label', 'Format', 'Catalog number', 'Lyrics']

### Response:
SELECT Region FROM table WHERE Catalog number = 3 12046 2