query: country_of_citizenship sabina hafner
supports: Sabina Hafner ( sometimes misspelled Sabrina Hafner , born May 10 , 1984 ) is a Swiss bobsledder who competed from 2003 to 2012 . She won two medals in the mixed bobsleigh - skeleton team event at the FIBT World Championships with a silver in 2009 and a bronze in 2007 . She won the World Junior Championship three times ( 2007 , 2009 , 2010 ) and the Swiss Championships five times ( 2005 , 2006 , 2009 , 2010 , 2011 ) . Her biggest success is the second place at the European Championship in Igls ( AUT ) in 2010 . Hafner also competed in two Winter Olympics , earning her best finish of tenth in the two - woman event at Turin in 2006 . The International Bobsleigh and Skeleton Federation (IBSF), originally known by the French name
  "Fédération Internationale de Bobsleigh et de Tobogganing" (FIBT), is the international sports federation for bobsleigh and skeleton. It acts as an umbrella organization for 14 national bobsleigh and skeleton associations . It was founded on November 23, 1923 by the delegates of Great Britain, France, Switzerland, Canada and the United States at the meeting of their first International Congress in Paris, France. In June 2015, it announced a name change from FIBT to IBSF. The federation's headquarters are in Lausanne, Switzerland. The IBSF World Championships (originally named the FIBT World Championships until 2015), part of the International Bobsleigh and Skeleton Federation, have taken place on an annual basis in non-Winter Olympic years since 1930. A two-man event was included in 1931 with a combined championship occurring in 1947. Men's skeleton was introduced as a championship of its own in 1982 while women's bobsleigh and skeleton events were introduced in 2000. Both the women's bobsleigh and skeleton events were merged with the men's bobsleigh events at the 2004 championships. A mixed team event, consisting of one run each of men's skeleton, women's skeleton, 2-man bobsleigh, and 2-women bobsleigh debuted in 2007.
candidates: france great britain switzerland
answer: switzerland