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:
| Class | Date | Builder | No. built | 1919 nos. | LMS Class | LMS nos. |
| --- | --- | --- | --- | --- | --- | --- |
| 157.0 | 1879-81 | G&SWR Kilmarnock | 12.0 | 720-5 | 1P | 14001-2 |
| 119.0 | 1882-5 | G&SWR Kilmarnock | 24.0 | 467-8, 700-719 | 1P | 14116-37 |
| 153.0 | 1886-9 | G&SWR Kilmarnock | 20.0 | 448-466 | 1P | 14138-56 |
| 1.0 | 1879-81 | G&SWR Kilmarnock | 4.0 | 728-31 | 1P | 15241-4 |
| 291.0 | 1883 | A.Barclay | 1.0 | 734 | U | 16042 |
| 218.0 | 1881 | Andrews, Barr & Co | 2.0 | 658-9 | U | 16040-1 |
| 224.0 | 1881-92 | G&SWR Kilmarnock | 44.0 | 135-9, 560-616 with gaps | 1F | 17112-64 |
| 224.0 | 1883 | Neilson | 10.0 | 135-9, 560-616 with gaps | 1F | 17112-64 |
| 224.0 | 1889 | Dübs | 10.0 | 135-9, 560-616 with gaps | 1F | 17112-64 |
Question:
On which date was the class 157?
Answer:
1879-81