Question: Which Russian figure skating coach was a former competitive ice dancer who competed with Olga Pershankova in 1993?

Passages:
Scott Chase Gregory (born July 31, 1959 in Auburn, New York) is an American former competitive ice dancer.  He competed at the 1984 Winter Olympics with Elisa Spitz.  He then paired with Suzanne Semanick, with whom he won the gold medal at the U.S. Figure Skating Championships twice and competed at the Olympics in 1988.  He retired from skating that year due to back injuries. Benjamin Delmas (born 17 May 1976) is a French former competitive ice dancer.  He had the most success with partner Alia Ouabdelsselam.  They teamed up in 1997 and split in 2002.  During their career, they won the 2002 French Figure Skating Championships and placed as high as 13th at the European Figure Skating Championships. Alia Ouabdelsselam (born 20 April 1978) is a French former competitive ice dancer.  She competed for most of her career with Benjamin Delmas.  They teamed up in 1997 and split in 2002.  During their career, they won the 2002 French Figure Skating Championships and placed as high as 13th at the European Figure Skating Championships. 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. Ivan Blagov (born 31 January 1986 in Moscow, Russia) is a Russian figure skater who currently competes representing Azerbaijan.  He has represented Azerbaijan at the European Figure Skating Championships and the World Figure Skating Championships.  His father Vasilii Blagov competed at the World level for the Soviet Union with Irina Tcherniaeva.  His mother Elena Frolovna Blagov starred in Moscow on ice for 21 years and is currently a figure skating coach in Moscow. Roberto Pelizzola (born 13 October 1958 in Milan) is an Italian figure skating coach and former competitive ice dancer.  He competed twice at the Olympics. 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. The 2010 Russian Figure Skating Championships (Russian: Чемпионат России по фигурному катанию на коньках 2010 ) was the Russian Figure Skating Championships of the 2009–10 figure skating season.  They were the national championship to determine the national champions of Russia.  They were organized by the Figure Skating Federation of Russia.  In addition to determining the national champions, the event was also used to help determine the teams for the 2010 World Figure Skating Championships, the 2010 European Figure Skating Championships, and the 2010 Winter Olympics. Tatiana Anatolyevna Tarasova (Russian:    , born 13 February 1947) is a Russian figure skating coach and national figure skating team adviser.  Tarasova has been coach to more world and Olympic champions than any other coach in skating history.  Her students have won a total of eight Olympic gold medals in three of the four Olympic figure skating disciplines, in addition to 41 gold medals at the European and World championships. Maxim Bolotin (born 6 August 1982) is a Russian former competitive ice dancer.  With Oksana Domnina, he won the bronze medal at the 2002 Russian Junior Figure Skating Championships, placed 7th at the 2002 World Junior Figure Skating Championships, and placed 4th at the 2001–2002 ISU Junior Grand Prix Final.  After that partnership ended, he teamed up with Olga Orlova and won additional medals on the ISU Junior Grand Prix circuit.

Supporting sentences:
 The following season, she teamed up with Nikolai Morozov to compete for Azerbaijan. Nikolai Alexandrovich Morozov (Russian: Николай Александрович Морозов ; born 17 December 1975) is a Russian figure skating coach and choreographer.  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.