user: Question: What county had a bridge biult in 1884?
Columns: ['Name', 'Built', 'Listed', 'Location', 'County']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Arkwright Bridge', '1888', '1978-12-12', 'Cranston , West Warwick', 'Kent , Providence']
SQL:

assistant: SELECT "County" FROM "Table" WHERE "Built" = '1884';