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:
| Vehicle Numbers | Vehicle Types | Livery | Location | Status |
| --- | --- | --- | --- | --- |
| M50454+M50528 | DMBS+DMCL | Blue | Llangollen Railway | In service |
| M50455+M50517 | DMBS+DMCL | Green | Churnet Valley Railway | In service |
| M50479 | DMBS | Green | Telford Steam Railway | In service as coaching stock |
| M50447 | DMBS | Green | Llangollen Railway | Under restoration |
| 53437+M59137+M53494 | DMBS+TCL+DMCL | NSE/Green/Blue | Churnet Valley Railway | Stored awaiting restoration |
| M50531+59228+53556 | DMCL+TBSL+DMCL | Green/Blue | Telford Steam Railway | Stored awaiting restoration |
Question:
What is  the status when livery is blue?
Answer:
In service