user: ### NOW ANSWER:
Question: Which catalogue has Essential, Castle Music as it's label?
Columns: ['Date', 'Region', 'Label', 'Catalogue', 'Format']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['8/Nov/1980', 'UK', 'Bronze', 'BRON531', 'vinyl']
SQL:

assistant: SELECT "Catalogue" FROM "Table" WHERE "Label" = 'Essential, Castle Music';