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:
| Name | Latitude | Longitude | Diameter (km) | Named after |
| --- | --- | --- | --- | --- |
| Xantippe | -10.9 | 11.8 | 40.4 | Xanthippe , the wife of Socrates . |
| Xenia | -30.3 | 249.4 | 13.5 | Greek first name |
| Xi Wang | 14.0 | 208.0 | 7.7 | Chinese first name |
| Xiao Hong | -43.5 | 101.7 | 38.7 | Xiao Hong , Chinese novelist (1911–1942) |
| Ximena | -68.2 | 243.6 | 12.8 | Portuguese first name |
Question:
What in Xenia's Diameter in km, with a latitude of 14 and a longitude of 249.4?
Answer:
0.0