user: Question: Which catalog value has a region of World?
Columns: ['Region', 'Date', 'Label', 'Format(s)', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['World', '21 August 2008', 'Wichita Recordings', 'Digital download', '—']
SQL:

assistant: SELECT "Catalog" FROM "Table" WHERE "Region" = 'World';