user: Question: What was the maximum l&cr number for Archimedes?
Columns: ['L&CR No.', 'Type', 'Manufacturer', 'Delivered', 'Name', 'Jt. Cttee No.', '1845 disposal']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, '2-2-2', 'Sharp, Roberts and Company', '1838/07', 'Surrey', 1.0, 'L&BR']
SQL:

assistant: SELECT MAX("L&CR No.") FROM "Table" WHERE "Name" = 'Archimedes';