user: Question: On what date did the United Kingdom have a catalog of FT 507?
Columns: ['Region', 'Date', 'Label', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['North America', 'January 1969', 'Fantasy Records', 'LP', '8387']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Region" = 'United Kingdom' AND "Catalog" = 'FT 507';