Question: What is the name of Ekaterina Gordeeva's husband, who together with her was the 1988 and 1994 Olympic champion?
Context: Oksana Baiul (born November 16, 1977) is a Ukrainian former competitive figure skater.  She is the 1993 World champion and the 1994 Olympic champion in ladies' singles. Justine Dufour-Lapointe (born March 25, 1994) is a Canadian freestyle skier from Montreal, Quebec.  She is the reigning Olympic champion in the moguls event as well as the reigning world champion from 2015 event.  This was also the first time that Canadian sisters stood together on the podium, and the fourth time ever, when her sister Chloe Dufour-Lapointe won silver in the same event.  In winning the Olympics, she became the youngest freestyle skiing Olympic champion ever at nineteen years of age.  Dufour-Lapointe was the FIS World Cup rookie of the year for the 2010–11 season.  Dufour-Lapointe has also won a bronze medal in the moguls event at the 2013 FIS World Championships. Natalia Yevgenievna Mishkutionok (Russian: Наталья Евгеньевна Мишкутёнок , born July 14, 1970) is a Russian former pair skater who now works as a coach.  With Artur Dmitriev, she is the 1992 Olympic champion, the 1994 Olympic silver medalist, a two-time World champion (1991, 1992), and a two-time European champion (1991, 1992). Tamara Golovey (Belarusian: Тамара Галавей ; Russian: Тамара Ошеровна Головей ) is a Chess Master, Chess International Arbiter and the Coach of the Republic of Belarus.  Her United States Chess Federation rating (USCF) is 2322.  She is a personal coach of chess players including Boris Gelfand, International Grandmaster, double Olympic Champion, ranked third in the world in 1991 and winner of the Candidates Tournament in 2011, Yury Shulman, International Grandmaster, 2008 US Champion, Yulia Levitan, International Master, 1992 US Olympic team member (USCF 2228) and Valeri Atlas, International Master, 1994 Olympic bronze medalist (USCF 2448). Alexei Yevgenyevich Urmanov (Russian:    ; born 17 November 1973) is a Russian figure skating coach and former competitor.  He is the 1994 Olympic champion, the 1993 World bronze medalist, the 1997 European champion, the 1995–96 Champions Series Final champion, a four-time Russian national champion, and the 1992 Soviet national champion.  He currently coaches Julia Lipnitskaya. Ekaterina "Katia" Alexandrovna Gordeeva (Russian: Екатерина Александровна Гордеева ) (born May 28, 1971) is a Russian (former Soviet) figure skater.  Together with her partner and husband, the late Sergei Grinkov, she was the 1988 and 1994 Olympic Champion and four-time World Champion in pair skating.  After Grinkov's death, Gordeeva continued performing as a singles skater. Randall Scott "Randy" Lewis (born June 7, 1959, in Rapid City, South Dakota) is an American wrestler and olympic champion.  He competed at the 1984 Olympic Games in Los Angeles, where he received a gold medal in freestyle featherweight.  After winning three high school state titles in South Dakota, he was a four-time All-American and two-time NCAA champion at the University of Iowa.  A two-time Olympian, and 1984 Olympic champion in Los Angeles.  At Iowa, he was a four-time All-American and two-time NCAA champion.  Was member of 1980 Olympic team but President Jimmy Carter's boycott prevented the U.S. team from traveling to the Games in Moscow.  Won gold medal at 136.5 pounds in freestyle wrestling at 1984 Olympics, outscoring his first four opponents 52-4 to advance to the final, where he crushed Japan's Kosei Akaishi 24-11 in 4:52.  He was second in the 1988 Olympic trials to John Smith, who wound up winning a gold medal.  Lewis was also 1983 Pan American Games champion. Ekaterina Gordeeva and Sergei Grinkov refers to a pair skating team.  Please see: The 1987 Prize of Moscow News was the 22nd edition of an international figure skating competition organized in Moscow, Soviet Union.  It was held November 11–15, 1987.  Medals were awarded in the disciplines of men's singles, ladies' singles, pair skating and ice dancing.  The men's title went to World champion Alexandre Fadeev, winning the Prize of Moscow News for the fourth time.  Cindy Bortz, moving up to the senior level after winning the world junior title, won the ladies' category.  Ekaterina Gordeeva / Sergei Grinkov, who would win the Olympic gold medal later in the season, took the pairs' title ahead of 1984 Olympic champions Elena Valova / Oleg Vasiliev.  The ice dancing title was won by Marina Klimova / Sergei Ponomarenko, who would end their season with an Olympic silver medal. Sergei Mikhailovich Grinkov (Russian: Серге́й Миха́йлович Гринько́в , February 4, 1967 — November 20, 1995) was a Russian pair skater.  Together with partner and wife Ekaterina Gordeeva, he was the 1988 and 1994 Olympic Champion and a four-time World Champion.
Answer: Sergei Grinkov