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| Name | Date built | Builder | Works No. | Wheels | Cylinders | Notes | Withdrawn |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Veteran | 1847 | ? | ? | 0-6-0 | Inside | arr. 1847 | ? |
| Fairfield | 1847 | ? | ? | 0-6-0 | Inside | arr. 1847 | ? |
| Waverley | ? | Henry Hughes of Loughborough | ? | 0-4-0ST | Outside | - | 1889 |
| Bee | ? | ? | ? | 0-6-0T | ? | - | ? |
| Spider | ? | ? | ? | 0-6-0T | ? | - | ? |
| Gillingham | ? | Aveling and Porter | ? | 0-6-0TG | ? | arr. 1893 | 1893 |
| No.1 | 1880 | Hunslet | 231 | 0-6-0ST | Inside | arr. 1893 | 1923 |
| No.2 | 1898 | Peckett | 696 | 0-4-0ST | Outside | arr. 1904 | 1923 |
Question:
how many were built in 1847?
Answer:
2