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

### Instruction:
What is the lowest 12-inch when the 13.5-inch/1250lb was 0, and the ship is seydlitz?

### Inputs:
table_name: table, columns: ['Ship', '13.5-inch/1400lb', '13.5-inch/1250lb', '12-inch', 'Total']

### Response:
SELECT MIN 12-inch FROM table WHERE 13.5-inch/1250lb = 0 AND Ship = seydlitz