Question: Ruslan Mamutov played for which football team that is now located in a city controlled by pro-Russian separatists?
Sentence (from "Donetsk"): Donetsk (Ukrainian: Донецьк , "Donec'k " ] ; Russian: Доне́цк , "Doneck " ] ; former names: Aleksandrovka, Hughesovka, Yuzovka, Stalino (see also: )) is an industrial city in Ukraine on the Kalmius River.
Relevant evidence: No