user: Question: Which region had a release format of CD maxi?
Columns: ['Date', 'Label', 'Region', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['7 March 2002', 'Polydor', 'France, Belgium', 'CD single - Promo', '9984']
SQL:

assistant: SELECT "Region" FROM "Table" WHERE "Format" = 'CD maxi';