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 | Wheel arrangement | Fleet number(s) | Year made | Quantity made | Quantity preserved |
| --- | --- | --- | --- | --- | --- |
| 4-6-0 — ooOOO | 4-6-0 — ooOOO | 4-6-0 — ooOOO | 4-6-0 — ooOOO | 4-6-0 — ooOOO | 4-6-0 — ooOOO |
| E | 4-6-0 | 500–504 | 1898 | 5 | 0 |
| E-1 | 4-6-0 | 505–511 | 1902 | 7 | 0 |
| E-2 | 4-6-0 | 612–613 | 1913, 1915 | 2 | 0 |
| E-20 | 4-6-0 | 2600–2608 | 1890 | 10 | 0 |
| E-21 | 4-6-0 | 2609–2618 | 1891 | 10 | 0 |
| E-22 | 4-6-0 | 2619–2638 | 1898–1900 | 17 | 0 |
| E-23 | 4-6-0 | 2625–2628 | 1898 | 4 | 0 |
| E-24 | 4-6-0 | 2640–2644 | 1900 | 5 | 0 |
| E-25 | 4-6-0 | 2645–2654 | 1900 | 10 | 1 |
Question:
What is the wheel arrangement with 1 quantity preserved?
Answer:
4-6-0