user: Question: In what format was the release that was dated 7 April 2003 from catalog 584 2112?
Columns: ['Country', 'Date', 'Label', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['United Kingdom', '7 April 2003', 'Parlophone', 'LP', '582 2911']
SQL:

assistant: SELECT "Format" FROM "Table" WHERE "Date" = '7 April 2003' AND "Catalog" = '584 2112';