Q: In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).
Context: Governor-General of Finland; was the military commander and the highest administrator of Finland sporadically under Swedish rule in the 17th and 18th centuries and continuously in the autonomous Grand Duchy of Finland between 1808 and 1917., Count Friedrich Wilhelm Rembert von Berg ( Russian :    Graf Fyodor Fyodorovich Berg ; 15 May 1794 -- 6 January 1874 ) was a Russian Field Marshal , and the Governor - General of Finland from 1855 to 1861 . He was born in the Sangaste Castle , Livonia ( present - day Valga County , Estonia ) into a Baltic German noble family . He studied at the University of Dorpat and joined the Imperial Russian Army in 1812 . He was also the last Namestnik of the Kingdom of Poland ( 1863 -- 1874 ) . He was crucial in crushing the Polish January Uprising and carrying out repressions and russification policies afterwards . Polish insurgents carried out an unsuccessful assassination attempt on him on 19 September 1863 . He was made a count in the Finnish House of Nobility ( and thus a Finnish citizen ) in 1857 , along with his adopted sons , as the 11th Finnish comital family . He died in Saint Petersburg ., The Grand Duchy of Finland (, , ) was the predecessor state of modern Finland. It existed between 1809 and 1917 as an autonomous part of the Russian Empire and was ruled by the Russian Emperor as Grand Duke., Subject: friedrich wilhelm rembert von berg, Relation: country_of_citizenship, Options: (A) finland (B) grand duchy of finland (C) russian empire
A:
russian empire