user: Question: Name the format on July 27, 1994 for Alfa Records
Columns: ['Region', 'Date', 'Label', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Japan', 'December 16, 1982', 'Alfa Records', 'stereo LP', 'ALR-28045']
SQL:

assistant: SELECT "Format" FROM "Table" WHERE "Label" = 'Alfa Records' AND "Date" = 'July 27, 1994';