user: Question: what is the date when the format is CD (limited edition steel-box) from United Kingdom?
Columns: ['Country', 'Date', 'Label', 'Format', 'Catalogue No.']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Europe', '17 October 2008', 'Columbia', 'CD, Double LP', '#88697392232']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Format" = 'CD (limited edition steel-box)' AND "Country" = 'United Kingdom';