an Entity references as follows:
Sergei Mikhailovich Grinkov (Russian: Сергей Михайлович Гриньков; 4 February 1967 – 20 November 1995) was a Russian pair skater. Together with his wife Ekaterina Gordeeva, he was the 1988 and 1994 Olympic Champion and a four-time World Champion (1986, 1987, 1989, 1990).