user: Question: Which format has a region of United Kingdom?
Columns: ['Region', 'Date', 'Label', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['United Kingdom', '27 September 2004', 'ZZT', 'CD', 'ZTT192CD']
SQL:

assistant: SELECT "Format" FROM "Table" WHERE "Region" = 'United Kingdom';