user: Question: What is the label for the CD format in North America?
Columns: ['Date', 'Region', 'Label', 'Catalogue', 'Format']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['27 June 1981', 'UK', 'Bronze', 'BRON 535', 'vinyl']
SQL:

assistant: SELECT "Label" FROM "Table" WHERE "Format" = 'CD' AND "Region" = 'North America';