Question: Oksana Grishuk had a partnership with an ice dancer who won at the Olympics how many times?

Context paragraphs:
Oksana Klimova: Oksana Anatolievna Klimova (Russian: Оксана Анатольевна Климова ; born May 24, 1992) is a Russian ice dancer.  She competed with Sasha Palomäki for Finland from 2007 to 2010.  They are the 2009 & 2010 Finnish national champions.  They teamed up in summer 2007.

Oksana Potdykova: Oksana Potdykova (born 20 January 1979) is a Russian former competitive ice dancer.  With former partner Denis Petukhov, she is a two-time World Junior medalist and the 2000 Russian national bronze medalist.  They also competed at the 2000 European Championships, placing 12th.  They were coached by Elena Chaikovskaya.  They ended their partnership in spring of 2000 when she was forced to retire due to injury.  Potdykova currently works as a coach.  She previously coached Bulgarian team Ina Demireva / Juri Kurakin.

Oksana Domnina: Oksana Alexandrovna Domnina (Russian: Оксана Александровна Домнина , born 17 August 1984) is a Russian former competitive ice dancer.  She and partner Maxim Shabalin are the 2010 Olympic bronze medalists, the 2009 World Champions, the 2008 & 2010 European Champions, the 2007 Grand Prix Final champions, and three-time (2005, 2007, 2010) Russian national champions.

Alexandr Chichkov: Alexandre Chichkov (born 1970) is a former competitive ice dancer who represented the Soviet Union.  With Oksana Grishuk, he is the 1988 World Junior champion and 1988 Grand Prix International de Paris bronze medalist.

Shae-Lynn Bourne: Shae-Lynn Bourne, MSC (born January 24, 1976) is a Canadian ice dancer.  In 2003, she and partner Victor Kraatz became the first North American ice dancers to win a World Championship.  They competed at three Winter Olympic Games, placing 10th at the 1994 Winter Olympics, 4th at the 1998 Winter Olympics, and 4th at the 2002 Winter Olympics.

Oksana Grishuk: Oksana (Pasha) Vladimirovna Grishuk (Russian: Оксана (Паша) Владимировна Грищук ; born March 17, 1972) is a Russian former competitive ice dancer.  She is best known for her partnership with Evgeni Platov from 1989–1998.  With Platov, she is a two-time Olympic champion (1994, 1998), four-time World champion (1994–1997), and three-time European champion (1996–1998).  With previous partner Alexandr Chichkov, she is the 1988 World Junior champion.

Maxim Shabalin: Maxim Andreyevich Shabalin (Russian: Максим Андреевич Шабалин ; born 25 January 1982) is a Russian former competitive ice dancer.  He and partner Oksana Domnina are the 2010 Olympic bronze medalists, the 2009 World Champions, the 2008 & 2010 European Champions, the 2007 Grand Prix Final champions, and three-time (2005, 2007, 2010) Russian national champions.

Matthew Blackmer: Matthew Blackmer (born December 12, 1991 in Findlay, Ohio) is a retired American pair skater turned ice dancer.  With former pairs partner Britney Simpson, he is the 2011 Junior Grand Prix Final bronze medalist, the 2012 U.S. Junior silver medalist and the 2013 U.S. Junior Champion.  He also skated with ice dancer Alexandra Aldridge.

Evgeni Platov: Evgeni Arkadievich Platov (Russian: Евгений Аркадьевич Платов , born August 7, 1967) is a Russian former competitive ice dancer.  He is best known for his partnership with Oksana Grishuk from 1989–1998.  With Grishuk, he is a two-time Olympic champion (1994, 1998), four-time World champion (1994–1997), and three-time European champion (1996–1998).

Maxim Bolotin: 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 paragraphs: Oksana Grishuk Evgeni Platov
Answer: two-time