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

### Instruction:
In what format was the release that was dated 7 April 2003 from catalog 584 2112?

### Inputs:
table_name: table, columns: ['Country', 'Date', 'Label', 'Format', 'Catalog']

### Response:
SELECT Format FROM table WHERE Date = 7 april 2003 AND Catalog = 584 2112