user: Question: What Country with a MC Format has a Atco Records Label?
Columns: ['Format', 'Country', 'Label', 'Catalogue No.', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['LP', 'AUS', 'Deluxe Records', 'VPL1 6529', '30 October 1980']
SQL:

assistant: SELECT "Country" FROM "Table" WHERE "Label" = 'Atco Records' AND "Format" = 'MC';