user: Question: What design was acquired in 1875?
Columns: ['Name', 'Design', 'Manufacturer', 'Acquired', 'Disposed']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Adler', '1A1', 'Stephenson 1835', 1835.0, 'sold 1857']
SQL:

assistant: SELECT "Design" FROM "Table" WHERE "Acquired" = 1875.0;