Question: In which year was this American figure skater, actress, and sports commentator coached by Richard Callaghan for Olympic games, the U. S. national champion?

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Val Joe "Rudy" Galindo (born September 7, 1969 in San Jose, California) is an American figure skater who competed in both single skating and pair skating.  As a single skater, he is the 1996 U.S. national champion, 1987 World Junior Champion, and 1996 World Bronze medalist.  As a pairs skater, he competed with Kristi Yamaguchi and was the 1988 World Junior Champion and the 1989 and 1990 U.S. National Champion. Kenneth Gene Shelley (born October 4, 1951) is an American figure skater who competed in both singles and pairs.  As a single skater, he won the 1972 United States Figure Skating Championships and placed 4th at the 1972 Winter Olympics.  His highest placement at the World Figure Skating Championships was a single skater was 7th, in 1972.  As a pair skater, he competed with JoJo Starbuck, with whom he is a three-time National Champion.  Starbuck and Shelley competed in two Olympic Games, placing 13th in 1968 and 4th in 1972, and won two bronze medals at the World Figure Skating Championships.  When they made the 1968 Olympic team, they were the youngest athletes the United States had ever sent to the Olympics. Evan Frank Lysacek ( ; born June 4, 1985) is an American figure skater.  He is the 2010 Olympic champion, the 2009 World champion, a two-time (2005, 2007) Four Continents champion, the 2009 Grand Prix Final champion, and a two-time (2007, 2008) U.S. national champion.  Lysacek was the 2010 United States Olympic Committee's SportsMan of the Year, and the winner of the James E. Sullivan Award as the top U.S. amateur athlete of 2010.  On January 22, 2016, he was inducted into the U.S. Figure Skating Hall of Fame. Maribel Yerxa Vinson-Owen (October 12, 1911 – February 15, 1961) was an American figure skater and coach.  She competed in the disciplines of ladies' singles and pair skating.  As a single skater, she was the 1932 Olympic bronze medalist, a two-time World medalist (1928 silver, 1930 bronze), the 1937 North American champion, and a nine-time U.S. national champion.  As a pair skater, she was the 1935 North American champion and four-time national champion with George Hill.  She also won two national titles with Thornton Coolidge. Richard Callaghan is an American figure skating coach.  He is best known as the long-time coach of Todd Eldredge, the 1996 World champion and a six-time U.S. national champion.  He also coached Nicole Bobek to her national title, and Tara Lipinski to Olympic, World, and national titles. Tara Kristen Lipinski (born June 10, 1982) is an American figure skater, actress, and sports commentator.  A former competitor in ladies' singles, she is the 1998 Olympic champion, the 1997 World champion, a two-time Champions Series Final champion (1997–1998), and the 1997 U.S. national champion.  She is the youngest person—by 32 days—ever to win a World Figure Skating title, doing so at the age of 14 years, 9 months and 10 days, and the youngest Olympic gold medalist in the individual ladies' singles event, having won in Nagano, Japan, on February 20, 1998, at the age of 15 years, 8 months, and 10 days. Brian Ernest Orser, OC (born 18 December 1961) is a Canadian former competitive and professional figure skater.  He is the 1984 and 1988 Olympic silver medalist, 1987 World champion and eight-time (1981–88) Canadian national champion.  At the 1988 Winter Olympics, the rivalry between Orser and American figure skater Brian Boitano, who were the two favorites to win the gold medal, captured media attention and was described as the "Battle of the Brians". Yutaka Higuchi (樋口 豊 , Higuchi Yutaka , born September 20, 1949) in Tokyo, Japan is a Japanese figure skater who is now a coach and figure skating commentator.  He is a three-time Japanese national champion.  He placed 25th in the 1968 Winter Olympic Games, and 16th in the 1972 Winter Olympic Games. Dudley "Dud" Shaw Richards (February 4, 1932 - February 15, 1961) was an American figure skater who competed in men's singles and pairs.  In singles, he won the bronze medal at the 1953 United States Figure Skating Championships and finished sixth at that year's World Figure Skating Championships.  In pairs, he once skated with future Olympic gold medalist Tenley Albright, before later teaming up with Maribel Owen.  After winning the bronze medal at Nationals in 1958 and 1959, the pair captured the silver in 1960 and finished tenth at that year's Winter Olympic Games.  In 1961, Owen and Richards won the gold medal at the U.S. Championships and finished second at the North American Figure Skating Championships. Robin Huntington Lee (December 2, 1919 in Saint Paul, Minnesota – October 8, 1997 in Minneapolis) was an American figure skater.  He was the 1935-1939 U.S. national champion.  At age 12, he became the youngest skater to win the junior national title.  At the 1935 United States Figure Skating Championships, at the age of 15, he became the first and, as of 2008, the only skater to defeat a seven time national champion in the United States.

Supporting sentences:
Tara Kristen Lipinski (born June 10, 1982) is an American figure skater, actress, and sports commentator.  A former competitor in ladies' singles, she is the 1998 Olympic champion, the 1997 World champion, a two-time Champions Series Final champion (1997–1998), and the 1997 U.S. national champion.