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:
| Type | Fleet numbers | Quantity made | Date made | GSR Class | Inchicore Class | GSR Nos. | Withdrawn |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2-2-2WT | DWWR 27 and 28 | 2 | 1869 | — | — | — | 1887 |
| 2-2-2WT | DWWR 29 to 31, 34 to 36, 4, 40 and 27 | 9 | 1871–1887 | — | — | — | 1902–23 |
| 0-4-2 | DWWR 37 to 39 | 3 | 1876 | — | — | — | 1923–25 |
| 2-4-0WT | DWWR 41 | 1 | 1882 | — | — | — | 1925 |
| 2-4-0T | DWWR 42 to 44 | 3 | 1883 | — | — | — | 1925 |
| 2-4-0T | DWWR 1, 2, 6, 7, 9 to 11, 28, 45 to 47, and 49 | 12 | 1885–96 | 423 | G1 | 423–426 | 1925–55 |
| 2-4-2T | 3 | 1 | 1898 | 428 | F2 | 428 | 1953 |
| 2-4-2T | 10, 11, 28, 45, 46 | (5) | (1900–10) | 428 | F2 | 429–422 | 1925–57 |
| 0-6-0 | DWWR 50 and 51 | 2 | 1891 | 447 | J7 | 447 | 1925–30 |
| 4-4-2T | DWWR 52 to 54 | 3 | 1893 | 458 | C3 | 458–460 | 1953–1960 |
Question:
What was the quantity of the fleet information for DWWR 50 and 51?
Answer:
2.0