Question: What year were Olympic Games hosted at the stadium that hosted the UEFA Euro 2012 Final?
Sentence (from "Olimpiyskiy National Sports Complex"): The Olympic National Sports Complex (also known as Olympic Stadium; Ukrainian: Національний спортивний комплекс "Олімпійський" ) is a multi-use sports and recreation facility in Kiev, Ukraine, located on the slopes of the city's central Cherepanov Hill, Pechersk Raion.
Relevant evidence: No