user: Question: What is the catalog number of Alfa Records?
Columns: ['Region', 'Date', 'Label', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Japan', 'December 21, 1985', 'Alfa Records', 'CD', '32XA-48']
SQL:

assistant: SELECT "Catalog" FROM "Table" WHERE "Label" = 'Alfa Records';