Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Ship | 13.5-inch/1400lb | 13.5-inch/1250lb | 12-inch | Total |
| --- | --- | --- | --- | --- |
| Lützow | 0.0 | 2.0 | 8.0 | 10.0 |
| Derfflinger | 0.0 | 0.0 | 3.0 | 3.0 |
| Seydlitz | 0.0 | 0.0 | 1.0 | 1.0 |
| König | 7.0 | 1.0 | 0.0 | 8.0 |
| Markgraf | 0.0 | 1.0 | 0.0 | 1.0 |
| Total | 7.0 | 4.0 | 12.0 | 23.0 |
Question:
What is the lowest 12-inch when the 13.5-inch/1250lb was 0, and the ship is seydlitz?
Answer:
1.0