Question: What is the name of the sister of the Italian 2014 Olympic bronze medalist and a five-time European champion, who was Italy's flag bearer at the 2002 Winter Olympics?

Context paragraphs:
Yang Yang (A): Yang Yang (; born 24 August 1976 in Jiamusi, Heilongjiang, China) is a former Chinese short track speed skater and current IOC member.  She is a two-time Olympic Champion from 2002 Winter Olympics and a six-time Overall World Champion for 1997–2002.  She was formerly a member of the Chinese national short track team.  Yang is one of the most accomplished short track speed skaters of all time having won 34 world titles, including six Overall World Championships.  She is the first person to have won six Overall World Titles and won six consecutively.  Her victory in the women's 500 m short track at the 2002 Winter Olympics made her China's first-ever Winter Olympics gold medalist.  She added a second gold in the women's 1000 m short track at the same Games and has also won two silver and a bronze medal.  After 2003 World Championships, Yang took time off competing, but came back in 2004–2005 season in lead-up to 2006 Winter Olympics where she won the bronze medal in 1000m race.  She retired soon afterwards.

Isolde Kostner: Isolde Kostner (born 20 March 1975) is an Italian former Alpine skier who won two bronze medals at the 1994 Winter Olympics and a silver medal at the 2002 Winter Olympics.  She was the Italian flag bearer at the opening ceremony of the 2002 Olympics.

Aliona Savchenko: Aliona Savchenko (Ukrainian: Альона Валентинівна Савченко : Aliona Valentynivna Savchenko; German Romanization: "Aljona Sawtschenko"; born 19 January 1984) is a Ukrainian-born German pair skater.  With former partner Robin Szolkowy, she is the 2010 and 2014 Olympic bronze medalist, a five-time World champion (2008, 2009, 2011, 2012, 2014), a four-time European champion (2007–2009, 2011), a four-time Grand Prix Final champion (2007, 2010, 2011, 2013), and an eight-time German national champion (2004–2009, 2011, 2014).  The pair scored the first 10.0 ever given by a judge under the ISU Judging System.

Italy at the 2006 Winter Olympics: Italy was the host nation for the 2006 Winter Olympics in Turin.  It was the second time that Italy had hosted the Winter Games (after the 1956 Winter Olympics in Cortina d'Ampezzo) and the third time overall (after the 1960 Summer Olympics in Rome).  Italy's flag bearer for the opening ceremony was figure skater Carolina Kostner.  Kostner's cousin, Isolde Kostner, was Italy's flag bearer at the 2002 Winter Olympics.

United States at the 2006 Winter Olympics: The United States Olympic Committee (abbreviated USOC) sent 211 athletes (122 men, 89 women) to the 2006 Winter Olympics in Turin, Italy.  Chris Witty, a four-time Olympian, who competed in both Summer and Winter games, and won a gold medal in speed skating at the 2002 Games, served as the flag bearer at the opening ceremonies.  Speed skater Joey Cheek, who won gold in the 500 m and silver in the 1000 m, was the flag bearer at the closing ceremonies.  One athlete, Sarah Konrad, became the first American woman to compete in two different disciplines at the same Winter Olympics – biathlon and cross-country skiing.

Giorgi Vazagashvili: Giorgi Vazagashvili (born April 19, 1974) is a Georgian judoka.  At the 2000 Summer Olympics he won the bronze medal in the men's Half Lightweight (60–66 kg) category, together with Girolamo Giovinazzo of Italy.  Vazagashvili is silver medalist world championat Tokio 1995, bronze medalist Hamilton 1993, bronze medalist Paris 1997.  Two times European champion in Hague 1996, Oostende 1997, silver medalist in Birmingham 1995, bronze medalist in Bratislava 1999.  He is World Junior Champion in Cairo 1994, in final he won against Tadahiro Nomura.  European Junior Champion in Arnhem 1993.  Vazagashvili is champion of international tournament in Tbilisi 1992, 1993, Moscow 1993, 1997, Prague 1996, Munich 1997, Warsaw 2000, bronze medalist in Paris 1995, bronze medalist Matsutaro Shoriki Cup Tokyo 1998.

Denis Ten: Denis Yuryevich Ten (Денис Юрьевич Тен ; born 13 June 1993) is a Kazakhstani figure skater.  He is the 2014 Olympic bronze medalist, a two-time World medalist (silver in 2013, bronze in 2015), the 2015 Four Continents champion, the 2017 Winter Universiade champion, and a five-time national champion of Kazakhstan.

Shannon Bahrke: Shannon Bahrke (born November 7, 1980) is an American Olympic freestyle skier and entrepreneur.  Bahrke was the silver medalist in moguls at the 2002 Winter Olympics in Salt Lake City, the bronze medalist at the 2010 Winter Olympics in Vancouver, and in 2003 was the World Cup Champion.  With her bronze medal in 2010, she became the first US women's freestyle skier to win multiple Olympic medals.  Bahrke was also the 2009 US National Champion in dual moguls.  She has reached the podium twice at the FIS Freestyle World Ski Championships, winning bronze in 2003 and silver in 2007, both in dual moguls.  In 2008, she founded Silver Bean Coffee, a Salt Lake City based coffee roasting company.

Carolina Kostner: Carolina Kostner (] ; born February 8, 1987) is an Italian figure skater.  She is the 2014 Olympic bronze medalist, the 2012 World champion, a five-time European champion (2007–2008, 2010, 2012–2013), and the 2011 Grand Prix Final champion.  She is also a medalist at five other World Championships (2005, 2008, 2011, 2013–14), five other European Championships (2006, 2009, 2011, 2014, 2017), and three other Grand Prix Finals (2007, 2008, 2010), the 2003 World Junior bronze medalist, and an eight-time Italian national champion.  Kostner has won ten medals at the European championships, most recently in 2017, and is the most decorated female singles skater in the history of the European Championships.

Robin Szolkowy: Robin Szolkowy (born 14 July 1979) is a German pair skater.  With partner Aliona Savchenko, he is the 2010 and 2014 Olympic bronze medalist, a five-time World champion (2008, 2009, 2011, 2012, 2014), a four-time European champion (2007–2009, 2011), a four-time Grand Prix Final champion (2007, 2010, 2011, 2013), and an eight-time German national champion (2004–2009, 2011, 2014).

Supporting paragraphs: Italy at the 2006 Winter Olympics Carolina Kostner
Answer: Isolde Kostner