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 "Ukraine"): Including Crimea, Ukraine has an area of 603628 km² , making it the largest country entirely within Europe and the 46th largest country in the world.
Relevant evidence: No