an Entity references as follows:
Oleg Nikolayevich Tsvetkovskiy (Uzbek: Олег Николаевич Цветковский; born May 27, 1970) is an Uzbek former swimmer, who specialized in sprint and middle-distance freestyle events. He represented Uzbekistan in two editions of the Olympic Games (1996 and 2000), since the nation's breakup from the Soviet Union.