user: Question: What is the dpi for the scanner with a max page size of 216mm x 355mm?
Columns: ['product', 'dimensions (mm)', 'dpi', 'pages per minute (color)', 'max page size', 'interface']
Types: ['text', 'text', 'real', 'real', 'text', 'text']
Sample row: ['Fujitsu fi-6130 A4 Series Scanner', '301 x 160 x 158', 600.0, 30.0, 'A4', 'USB 2.0']
SQL:

assistant: SELECT "dpi" FROM "Table" WHERE "max page size" = '216mm x 355mm';