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:
| Guberniya * | Total Population | Belarusian (Бѣлорускій) | Russian (Вѣликорускій) | Polish (Польскій) |
| --- | --- | --- | --- | --- |
| Vilna | 1591207.0 | 891903.0 | 78623.0 | 130054.0 |
| Vitebsk | 1489246.0 | 987020.0 | 198001.0 | 50377.0 |
| Grodno | 1603409.0 | 1141714.0 | 74143.0 | 161662.0 |
| Minsk | 2147621.0 | 1633091.0 | 83999.0 | 64617.0 |
| Mogilev | 1686764.0 | 1389782.0 | 58155.0 | 17526.0 |
Question:
What are the polish population where guberniya is vitebsk?
Answer:
50377.0