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:
| Number | Class | Name | Livery | Notes |
| --- | --- | --- | --- | --- |
| 31128.0 | 31.0 | Charybdis | Fragonset Black | Now operated by Nemesis Rail . |
| 31452.0 | 31.0 | Minotaur | Fragonset Black | Now operated by Network Rail . |
| 31454.0 | 31.0 | The Heart of Wessex | InterCity Swallow | Now operated by Network Rail . |
| 31468.0 | 31.0 | Hydra | Fragonset Black | Now operated by Network Rail . |
| 31601.0 | 31.0 | Gauge O Guild | Wessex Trains Pink | Now operated by Network Rail . |
Question:
What is the Class when Wessex Trains Pink is the Livery?
Answer:
31.0