user: Question: What's the date in the United Kingdom having a catalog of Reveal50CD/LP?
Columns: ['Region', 'Date', 'Label', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Scandinavia', '28January2009', 'Universal', 'CD', '0-6025-17918-7-7']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Catalog" = 'Reveal50CD/LP' AND "Region" = 'United Kingdom';