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

Context paragraphs:
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.

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.

Jim Sladky: Jim Sladky (born March 16, 1947) is an American former competitive ice dancer.  He competed with partner Judy Schwomeyer.  They were five time (1968–1972) U.S. national champions.  They are the 1970 World silver medalists and the 1969 & 1971-1972 World bronze medalists.

Marina Timofeieva: Marina Timofeieva (born February 24, 1984 in Tallinn) is an Estonian ice dancer.  With partner Evgeni Striganov, she is the 2003 & 2004 Estonian national champion.  They were five time competitors at the World Junior Figure Skating Championships, with the highest placement of 17th in 2003.  They placed 22nd at the 2003 European Figure Skating Championships and 26th at the 2003 World Figure Skating Championships.  They were coached by Lea Rand, the mother of fellow Estonian ice dancers Kristjan and Taavi Rand.

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.

Judy Schwomeyer: Judy Schwomeyer (married name Sladky; born November 14, 1950) is an American ice dancer and actress.  As a figure skater, she competed with partner James Sladky.  They were five time (1968–1972) U.S. national champions.  They are the 1970 World silver medalists and the 1969 & 1971-1972 World bronze medalists.

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.

Nikolai Morozov (figure skater): Nikolai Alexandrovich Morozov (Russian: Николай Александрович Морозов ; born 17 December 1975) is a Russian figure skating coach and choreographer.  He coached Shizuka Arakawa to the 2006 Olympic gold medal and Miki Ando to two World titles.  He is a former competitive ice dancer who appeared with Tatiana Navka for Belarus at the 1998 Winter Olympics, placing 16th, and at the 1998 World Championships, placing 10th.  Earlier in his career, he competed with Olga Pershankova for Azerbaijan and with Ekaterina Gvozdkova for Russia.

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.

Evgeni Striganov: Jevgeni Striganov (born 23 March 1982 in Tallinn) is an Estonian ice dancer.  With partner Marina Timofejeva, he is the 2003 & 2004 Estonian national champion.  They were five time competitors at the World Junior Figure Skating Championships, with the highest placement of 17th in 2003.  They placed 22nd at the 2003 European Figure Skating Championships and 26th at the 2003 World Figure Skating Championships.  They were coached by Lea Rand, the mother of fellow Estonian ice dancers Kristjan and Taavi Rand.

Supporting paragraphs: Olga Pershankova Peter Tchernyshev
Answer: U.S. national champion