Question: Olga Pershankova competed with an ice dancer who was a five time what?

full_context: Document 1: Sergei Ponomarenko: Sergei Vladilenovich Ponomarenko (Russian: Серге́й Владиленович Пономаренко ; born October 6, 1960) is a Russian former competitive ice dancer who competed for the Soviet Union and the Unified team. With skating partner and wife Marina Klimova, he is the 1992 Olympic champion, 1988 Olympic silver medalist, 1984 Olympic bronze medalist, three-time World champion, and four-time European champion.
Document 2: Alexandr Kirsanov: Alexandr (Sasha) Kirsanov (Russian: Александр Кирсанов ; born August 17, 1978) is a retired ice dancer who competed for the United States, Azerbaijan, and Russia. With Christie Moxley for the U.S., he is the 2003 Nebelhorn Trophy bronze medalist. He also competed with Barbara Hanley for Azerbaijan and with Olga Pogosian for Russia. Following his retirement from competition in 2004, he is a coach and choreographer in Delaware.
Document 3: Peter Cain: Peter Christian Cain (born 20 November 1958) is an Australian pair skater who currently works as a coach. With sister Elizabeth Cain, he is the 1976 World Junior bronze medalist and a four-time Australian national champion. Their highest placement at the World Championships was 12th in 1977. They competed in the 1980 Winter Olympics, finishing eleventh. He is the uncle and former coach of Australian national champion Sean Carlow and father of American skater Ashley Cain. He also coaches Alexei Krasnozhon and Brooklee Han. He currently works as a coach in the Euless, Texas area.
Document 4: Olga Volozhinskaya: Olga Algertovna Volozhinskaya (Estonian: "Olga Voložinskaja" ; Russian: Ольга Альгертовна Воложинская , born 18 May 1962) is a former ice dancer who competed for the Soviet Union. With Alexander Svinin, she is the 1983 European silver medalist, 1985 Skate Canada International champion, and competed at the 1984 Winter Olympics in Sarajevo.
Document 5: Olga Pershankova: Olga Pershankova (Russian: Ольга Першанкова ; born 18 January 1972) is a Russian ice dancer. Competing with Peter Tchernyshev for Russia, she won the silver medal at the 1992 Karl Schäfer Memorial (Vienna Cup). The following season, she teamed up with Nikolai Morozov to compete for Azerbaijan. The two won the 1993 Golden Spin of Zagreb and competed at the 1994 World Championships and European Championships.
Document 6: Ramil Sarkulov: Ramil Sarkulov (born June 16, 1981 in Tashkent) is an Uzbekistani former competitive ice dancer. His partnership with Olesya Pronina lasted at least five seasons, until 1999. He then competed for three seasons with Julia Klochko (1999–2002), training under Galina Churilova in Kharkiv, Ukraine. Klochko/Sarkulov won the Uzbekistani national title in the 2001–02 season and appeared at four ISU Championships – two Four Continents and two Junior Worlds. In the 2002–03 season, he competed with Olga Akimova, coached by Churilova. Sarkulov then had a brief partnership with Ashley Taylor but the two never competed together. In 2007, he teamed up with Sun-hye Yu. Coached by Genrikh Sretenski in the United States, they placed 12th at the 2008 Four Continents and 29th at the 2008 World Championships.
Document 7: Ekaterina Gordeeva: 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.
Document 8: Sergei Grinkov: 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.
Document 9: 1972 Prize of Moscow News: The 1972 Prize of Moscow News was the seventh edition of an international figure skating competition organized in Moscow, Soviet Union. It was held December 9–13, 1972. Medals were awarded in the disciplines of men's singles, ladies' singles, pair skating and ice dancing. Sergei Chetverukhin won the men's title for the third consecutive year. Canada's Cathy Lee Irwin took the ladies' title ahead of West Germany's Isabel de Navarre and the Soviet Union's Tatiana Oleneva. Irina Vorobieva / Alexander Vlasov defeated Olympic champions Ludmila Belousova / Oleg Protopopov for gold in the pairs' category. In the ice dancing category, world champions Lyudmila Pakhomova / Alexander Gorshkov won their fourth gold medal at the event.
Document 10: Naomi Lang: Naomi Lang (born December 18, 1978) is an American ice dancer. With skating partner Peter Tchernyshev, she is a two-time (2000 and 2002) Four Continents champion, a five-time (1999–2003) U.S. national champion, and competed at the 2002 Olympic Winter Games. Lang is the first Native American female athlete to participate in the Winter Olympics.
Document 11: Ruslan Zhiganshin: Ruslan Nailevich Zhiganshin (Russian: Руслан Наильевич Жиганшин ; born 25 September 1992) is a Russian ice dancer. With partner Elena Ilinykh, he is the 2015 Russian national champion.
Document 12: Irina Rodnina: Irina Konstantinovna Rodnina (Russian: Ирина Константиновна Роднина ; ] , born 12 September 1949) is a Russian politician and figure skater, who is the only pair skater to win 10 successive World Championships (1969–78) and three successive Olympic gold medals (1972, 1976, 1980). She was elected to the State Duma in the 2007 legislative election as a member of President Vladimir Putin's United Russia party. As a figure skater, she initially competed with Alexei Ulanov and later teamed up with Alexander Zaitsev. She is the first pair skater to win the Olympic title with two different partners, followed only by Artur Dmitriev.
Document 13: Svetlana Frantsuzova: Svetlana Nikolayevna Frantsuzova (Russian: Светлана Николаевна Французова ; born in 1963) is a former competitive figure skater who represented the Soviet Union. As a single skater, she is the 1980 Prize of Moscow News champion and 1981 Winter Universiade silver medalist. She later switched to pair skating with Oleg Gorshkov. The two won bronze at the 1985 Winter Universiade and silver at the 1985 Prague Skate. They are the parents of Russian figure skater Gordei Gorshkov.
Document 14: Peter Tchernyshev: Peter Tchernyshev (Russian: Пётр Андреевич Чернышёв ; also romanized as "Pyotr Andreyevich Chernyshev"; born February 6, 1971) is a Russian-American ice dancer. With skating partner Naomi Lang, he is a two-time (2000 and 2002) Four Continents champion, a five-time (1999–2003) U.S. national champion, and competed at the Winter Olympics in 2002.
Document 15: Peter Nalitch: Peter Andreyevich Nalitch (Russian: Пётр Андре́евич На́лич , ] also spelled as Petr Nalich or Pyotr Nalich, is a Russian singer and composer who represented Russia at the Eurovision Song Contest 2010 in Oslo. In the final on May 29, he came 11th with his song "Lost and Forgotten".
ground_truth: U.S. national champion