an Entity references as follows:
Sergei Martynov (Belarusian: Сяргей Анатолевіч Мартынаў; new transliteration Siarhei Martynau, Łacinka Siarhiej Anatolevič Martynaŭ) (born 18 May 1968) is a Belarusian 50 m rifle shooter. He is the 2012 Olympic champion in the 50 m rifle prone event.