user: Question: What are the polish population where guberniya is Vitebsk?
Columns: ['Guberniya *', 'Total Population', 'Belarusian (Бѣлорускій)', 'Russian (Вѣликорускій)', 'Polish (Польскій)']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Vilna', 1591207.0, 891903.0, 78623.0, 130054.0]
SQL:

assistant: SELECT "Polish (Польскій)" FROM "Table" WHERE "Guberniya *" = 'Vitebsk';