user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Ancient Egypt' regarding 'Digit (unit)'
Table Content:
| Name | Egyptian name | Equivalent Egyptian values | Metric equivalent |
| --- | --- | --- | --- |
| Royal cubit | meh niswt | 7 palms or 28 digits | 525 mm |
| Fist | - | 6 digits | 108 mm |
| Hand | - | 5 digits | 94 mm |
| Palm | shesep | 4 digits | 75 mm |
| Digit | djeba | 1/4 palm | 19 mm |


Question
What is the metric equivalent for the royal cubit and digit?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["The royal cubit measured 525 mm and the ancient Egyptian digit was 19 mm."]