user: Question: What is the description for the livery BR Grey?
Columns: ['Number & name', 'Description', 'Current status', 'Livery', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['No. 286', 'Callander Coal Company Wagon', 'Static display in the museum.', 'Callander Coal Company Grey', 'N/A']
SQL:

assistant: SELECT "Description" FROM "Table" WHERE "Livery" = 'BR Grey';