Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the dpi for the scanner with a max page size of 216mm x 355mm?

### Inputs:
table_name: table, columns: ['product', 'dimensions (mm)', 'dpi', 'pages per minute (color)', 'max page size', 'interface']

### Response:
SELECT dpi FROM table WHERE max page size = 216mm x 355mm