user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Overview' regarding '2-6-0+0-6-2'
Table Content:
| Gauge | Railway | Class | Works no. | Units | Year | Builder |
| --- | --- | --- | --- | --- | --- | --- |
| 10 1⁄4 in | Wells and Walsingham Light Railway | - | - | 1 | 1986 | Neil Simkins |
| 10 1⁄4 in | Wells and Walsingham Light Railway | - | - | 1 | 2010 | Wells and Walsingham Light Railway |
| 2 ft | South African Railways | NG G11 | 5975-5977 | 3 | 1919 | Beyer, Peacock |
| 2 ft | South African Railways | NG G11 | 6199-6200 | 2 | 1925 | Beyer, Peacock |
| 2 ft 6 in | Victorian Government Railways, Australia | G | 6267-6268 | 2 | 1926 | Beyer, Peacock |
| 1,000 mm | São Paulo Railway, Brazil | U | 5664 | 1 | 1912 | Beyer, Peacock |
| 1,000 mm | São Paulo Railway, Brazil | V | 6795 | 1 | 1936 | Beyer, Peacock |
| 1,000 mm | C.F.Madagascar | B | 2031-2032 | 2 | 1926 | St. Leonard, Belgium |
| 3 ft 6 in | South African Railways | GA | 5941 | 1 | 1920 | Beyer, Peacock |
| 3 ft 6 in | Australian Portland Cement | - | 6794 | 1 | 1936 | Beyer, Peacock |
| 3 ft 6 in | Australian Portland Cement | - | 6935 | 1 | 1939 | Beyer, Peacock |
| 3 ft 6 in | Western Australian Government Railways | M | 5477-5482 | 6 | 1911 | Beyer, Peacock |
| 3 ft 6 in | Western Australian Government Railways | Ms | 5665-5671 | 7 | 1912 | Beyer, Peacock |
| 3 ft 6 in | Western Australian Government Railways | Msa | 46-55 | 10 | 1930 | Western Australian Government R'ys |
| 4 ft 8 1⁄2 in | Argentine North Eastern (FCNEA) | - | 6238-6240 | 3 | 1925 | Beyer, Peacock |
| 4 ft 8 1⁄2 in | London Midland & Scottish Railway | Garratt | 6325-6327 | 3 | 1927 | Beyer, Peacock |
| 4 ft 8 1⁄2 in | Argentine North Eastern (FCNEA) | - | 6349-6352 | 4 | 1927 | Beyer, Peacock |
| 4 ft 8 1⁄2 in | East African Railways | - | 6355-6359 | 5 | 1927 | Beyer, Peacock |
| 4 ft 8 1⁄2 in | London Midland & Scottish Railway | Garratt | 6648-6677 | 30 | 1930 | Beyer, Peacock |


Question
How many Class NG G11 Garratt locomotives did the South African Railways place between 1919 and 1925?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["Between 1919 and 1925, the South African Railways placed five Class NG G11 Garratt locomotives."]