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In this task, you are given a set of context paragraph and some supporting facts to answer a question. Your task is to generate answer for given question based on set of context paragraphs and supporting facts.

Context_1 : Benjamin Raich (born 28 February 1978 in Arzl im Pitztal, Tyrol) is a retired champion World Cup alpine ski racer and Olympic gold medalist from Austria. With 14 medals won at Winter Olympics and World Championships, 36 World Cup race victories (in all disciplines except downhill), one first place and five second places in the World Cup overall ranking, three victories of the slalom World Cup, three victories of the combined World Cup, two victories of the giant slalom World Cup and the highest score of career World Cup points (ahead of Norwegian Kjetil Andre Aamodt), he is considered among the best alpine racers in World Cup history. Context_2 : Julia Marie Mancuso (born March 9, 1984) is an American World Cup alpine ski racer and Olympic gold medalist. She won the giant slalom at the 2006 Winter Olympics, and was the silver medalist in both downhill and combined in 2010, and the bronze medalist in the combined in 2014. She has also won five medals (two silver and three bronze) at the World Championships and seven races in regular World Cup competition. Her four Olympic medals are the most ever for a female American alpine skier. Context_3 : Jim Tracy was multiple times head coach of the U.S women's ski team. The last time he led the team around Lindsey Vonn and Julia Mancuso to medals at the Vancouver winter olympics. Context_4 : Annemarie Moser-Proll (born 27 March 1953) is a former World Cup alpine ski racer from Austria. Born in Kleinarl, Salzburg, she was the most successful female alpine ski racer during the 1970s, with six overall titles, including five consecutive. Moser-Proll celebrated her biggest successes in downhill, giant slalom and combined races. In 1980, her last year as a competitor, she secured her third Olympic medal (and first gold) at Lake Placid and won five World Cup races. Her younger sister Cornelia Proll is also a former Olympic alpine skier. Context_5 : Janica Kostelic (] ; born 5 January 1982) is a former World Cup alpine ski racer and four-time Olympic gold medalist from Croatia. In addition to the Olympics, she has won five gold medals at the World Championships. In World Cup competition, she has won thirty individual races, three overall titles, three slalom titles, and four (unofficial) combined titles. Kostelic's accomplishments in professional skiing have led some commentators, writers, and fellow ski racers to regard her as the greatest female ski racer of all time.[a] Context_6 : Gauthier de Tessieres (born 9 November 1981) is a World Cup alpine ski racer from France, and has competed in two Winter Olympics and five World Championships. He made his breakthrough on the Alpine Skiing World Cup in a giant slalom in Val-d'Isere in December 2008, where after finishing 30th in the first run to narrowly qualify for the second run, he worked his way up to finish third overall, bettering his previous World Cup personal best of 15th. He won the silver medal in the super-G at the 2013 World Championships, after being added to the French team as an injury replacement. De Tessieres announced his retirement from competition in January 2014 after he was not selected for the 2014 Winter Olympics. Context_7 : Michelle Gisin (born 5 December 1993) is a Swiss World Cup alpine ski racer. Gisin has enjoyed success in the Swiss Junior National Championships, finishing third in the downhill in 2011, third in the Super G in 2012 and winning the super combined in 2012. She took a silver medal in the slalom at the FIS Junior World Ski Championships in February 2013. She competed for Switzerland at the 2014 Winter Olympics in the alpine skiing events. Gisin is the younger sister of alpine ski racers Marc and Dominique Gisin. Context_8 : Vassilis Dimitriadis (born August 22, 1978 in Belgium) is a retired alpine ski racer from Greece and the former Head coach of Greek National Ski Team. He competed for Greece at the 1998 Winter Olympics, 2002 Winter Olympics, 2006 Winter Olympics and the 2010 Winter Olympics. His best result was a 23rd place in the slalom in 2006. He is widely considered as the best Greek alpine ski racer of all the time. Context_9 : Jan Hudec, Jr. (born August 19, 1981) is a Former Canadian Czech-born World Cup alpine ski racer (2002-2015), who has decided to represent the Czech Republic (2016-present) in all future FIS Alpine Ski World Cup Events, specializing in the speed events of downhill and super-G. Beset by injuries for several seasons, he returned to World Cup form in 2012 at age 30 and gained his second victory. At the 2014 Winter Olympics, Hudec won the bronze medal in the super-G at Rosa Khutor. It was the first Olympic medal for Canada in men's alpine skiing in 20 years. Context_10 : Lindsey Caroline Vonn ( ) (nee Kildow ; born October 18, 1984) is an American World Cup alpine ski racer on the US Ski Team. She has won four World Cup overall championshipsone of only two female skiers to do so, along with Annemarie Moser-Prollwith three consecutive titles in 2008, 2009, and 2010, plus another in 2012. Vonn won the gold medal in downhill at the 2010 Winter Olympics, the first ever in the event for an American woman. She has also won a record eight World Cup season titles in the downhill discipline (20082013, 2015, 2016), five titles in super-G (20092012, 2015), and three consecutive titles in the combined (20102012). fact_1 : The last time he led the team around Lindsey Vonn and Julia Mancuso to medals at the Vancouver winter olympics. fact_2 : Julia Marie Mancuso (born March 9, 1984) is an American World Cup alpine ski racer and Olympic gold medalist. Question: Jim Tracy led this American World Cup alpine ski racer born in what year to medals in the Vancouver winter olympics
Output:
1984