Question: Sightseek was a horse trained by the trainer inducted into the National Museum of Racing and Hall of Fame in what year?

Context articles: Bubba Cascio
Fred Burlew
John Dickerson (trainer)
Matlock Rose
Jack Van Berg
Sightseek
J. Elliott Burch
William I. Mott
Herbert J. Thompson
Robert J. Frankel

C.W. "Bubba" Cascio (born 1932) is a race horse trainer, and two-time winner of the All American Futurity, having won in 1968 with Three Oh’s, and again in 1970 with Rocket Wrangler.
 He also trained Dash For Cash, sired by Rocket Wrangler, and twice Champion of Champions winner also inducted into the American Quarter Horse Hall of Fame.
 Bubba Cascio has been referred to as a "Texas racing legend".
 In 2002, he was inducted into the Texas Racing Hall of Fame.
 In 2008, he was inducted into the American Quarter Horse Hall of Fame.
Fred Burlew (March 20, 1871 – May 3, 1927) was an American Thoroughbred racehorse trainer.
 He was the trainer of the winning horse of the Kentucky Derby in 1922.
 He was inducted into the National Museum of Racing and Hall of Fame in 1973.
John "Johnny Dick" Dickerson (1863 in Versailles, Indiana – August 30, 1944) was an American horse trainer inducted into the Harness Racing Hall of Fame.
Matlock Rose, born Berry Matlock Rose (1924–2008), was a professional horse trainer for over 60 years.
 He established a reputation as an all-around cowboy and trainer of champions.
 Rose was often described as stonefaced, a man of few words, but long held the respect of his peers.
 He was referred to as a trainers' trainer, and considered a legend.
 He trained multiple AQHA world champions, five NCHA world champions, was inducted into the American Quarter Horse Hall of Fame in 2001, as well as both the NCHA Rider Hall of Fame and the NCHA Members Hall of Fame.
 The first famous cutting horse he trained was Jesse James and many other great horses followed but he was best known for training Peppy San and Peponita.
John Charles "Jack" Van Berg (born June 7, 1936 in Columbus, Nebraska) is an American Hall of Fame horse trainer.
 Born into a horse racing family, his father is Hall of Fame trainer, Marion Van Berg.
 Both father and son have been inducted into the National Museum of Racing and Hall of Fame in Saratoga Springs, NY.
Sightseek (foaled 1999 in Kentucky) is a retired American Thoroughbred racehorse and current broodmare.
 She was bred and raced by Khalid Abdullah's Juddmonte Farms and was trained by Bobby Frankel.
 Sightseek is a full-sister to Quest to Peak, who produced the 1000 Guineas winner Special Duty.
John Elliott Burch (March 3, 1924 – January 30, 2011) was an American National Museum of Racing and Hall of Fame Thoroughbred racehorse trainer.
 Four of his horses were inducted in the National Museum of Racing and Hall of Fame.
William I. "Bill" Mott (born July 29, 1953, in Mobridge, South Dakota) is an American horse trainer, most notable for his work with Cigar.
 Mott earned the Eclipse Award for Outstanding Trainer in 1995 and 1996.
 He was inducted into the National Museum of Racing and Hall of Fame in 1998 at the age of 45, becoming the youngest thoroughbred trainer ever inducted.
 Mott started training thoroughbreds at age 15 and won the South Dakota Futurity with Kosmic Tour before he was out of high school.
 He worked his way up the ranks by becoming first an exercise rider, then an assistant trainer for Hall of Fame Trainer Jack Van Berg.
 In 1976, Mott, trainer Frank Brothers (who was also Van Berg's assistant trainer), and a stable crew guided Van Berg's horses through the wins at Sportsman's, Hawthorne and Arlington Park race tracks in Chicago.
 They were so successful that Van Berg was named leading trainer at Arlington Park and leading trainer in the Nation with 496 wins in 1976, a record that stood until Steve Asmussen broke it in 2003 with 555 wins.
 Asmussen broke his own record in 2008 and 2009.
 Mott worked as an assistant trainer for Van Berg for three years before striking out on his own in 1978.
Herbert J. Thompson (September 21, 1881 – 1937) was an American Thoroughbred racehorse trainer.
 He was the trainer of the winning horse of the Kentucky Derby in 1921, 1926, 1932 and 1933.
 He was inducted into the National Museum of Racing and Hall of Fame in 1969.
Robert Julian Frankel (July 9, 1941 – November 16, 2009) was an American thoroughbred race horse trainer whom ESPN called "one of the most successful and respected trainers in the history of thoroughbred racing."
 He was inducted into the National Museum of Racing and Hall of Fame in 1995, and was a five-time winner of the Eclipse Award for Outstanding Trainer.
 Often referred to as "Bobby" by others, he preferred and always used "Robert."
 Frankel set the single-season world record for most Grade/Group I victories in 2003 with 25 Grade I wins, a record he still holds.