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:
| Voivodeship after 1569 | Capital | Year established | Number of powiats | Area (km²) in 1590 (Lithuanian) Category:Articles with Lithuanian-language external links |
| --- | --- | --- | --- | --- |
| Brest Litovsk Voivodeship | Brest | 1566.0 | 2 powiats | 40600.0 |
| Minsk Voivodeship | Minsk | 1566.0 | 3 powiats | 55500.0 |
| Mstsislaw Voivodeship | Mstsislaw | 1566.0 | 1 powiat | 22600.0 |
| Nowogródek Voivodeship | Navahrudak | 1507.0 | 3 powiats | 33200.0 |
| Polotsk Voivodeship | Polotsk | 1504.0 | 1 powiat | 21800.0 |
| Samogitian Eldership | Raseiniai | 1411.0 | 1 powiat | 23300.0 |
| Trakai Voivodeship | Trakai | 1413.0 | 4 powiats | 31100.0 |
| Vilnius Voivodeship | Vilnius | 1413.0 | 5 powiats | 44200.0 |
Question:
How many powiats have mstsislaw as a capital?
Answer:
1 powiat