Question: Which country is involved in an international dispute with a sovereign state of Eastern Europe which is home to the professional and international football defender Sakhnyuk who was born in 1987, played in the nations premier league and in their national under 21 team?
Sentence (from "Hryhoriy Sakhnyuk"): Sakhnyuk is also a member of the Ukrainian Ukrainian national under-21 football team.
Relevant evidence: Yes