Question: What 1 and 1/2 mile race, also known as "test of the champion," did jockey Irad Ortiz JR win his first American Classic?

full_context: Document 1: Travers Stakes: The Travers Stakes is an American Grade I Thoroughbred horse race held at Saratoga Race Course in Saratoga Springs, New York. It is nicknamed the "Mid-Summer Derby" and is the third-ranked race for American three-year-olds according to international classifications, behind only the Kentucky Derby and Belmont Stakes. First held in 1864, it was named for William R. Travers, the president of the old Saratoga Racing Association. His horse, Kentucky, won the first running of the Travers. The race was not run in 1896, 1898, 1899, 1900, 1911, and 1912.
Document 2: 2010 Belmont Stakes: The 2010 Belmont Stakes was the 142nd running of the Belmont Stakes. The race took place on June 5, 2010, and was televised in the United States on the ABC television network. The race was won by Drosselmeyer, who was ridden by jockey Mike Smith and trained by Bill Mott. As the final jewel in the United States Triple Crown of Thoroughbred Racing, the race was run without the elusive championship at stake due to 2010 Kentucky Derby winner Super Saver's loss in the Preakness Stakes. Both the Kentucky Derby and Preakness winners did not run in the race. Uptowncharlybrown finished fifth, but was disqualified and placed last due to losing the eight pound handicapping weight on the backstretch.
Document 3: 2017 Belmont Stakes: The 2017 Belmont Stakes was the 149th running of the Belmont Stakes and the 106th time the event took place at Belmont Park. The 1+1/2 mi race, known as the "test of the champion", is the final jewel in Thoroughbred horse racing's American Triple Crown series. The race was on June 10, 2017, and was broadcast by NBC starting at 5 PM EDT. For the second straight year, the Belmont did not have a Triple Crown at stake, as 2017 Kentucky Derby winner Always Dreaming had lost in the Preakness Stakes. The race was won by Tapwrit.
Document 4: Eddie Arcaro: George Edward Arcaro (February 19, 1916 – November 14, 1997), known professionally as Eddie Arcaro, was an American Thoroughbred horse racing Hall of Fame jockey who won more American classic races than any other jockey in history and is the only rider to have won the U.S. Triple Crown twice. He is widely regarded as the greatest jockey in the history of American Thoroughbred horse racing. Arcaro was born in Cincinnati, Ohio, the son of an impoverished taxi driver. His parents, Pasquale and Josephine, were Italian immigrants and his father held a number of jobs, including taxi driver and operator of an illegal liquor enterprise during Prohibition. Arcaro was born prematurely, and weighed just three pounds at birth; because of this, he was smaller than his classmates and was rejected when he tried out for a spot on a baseball team. His full height would reach just five-foot, two inches. Eventually nicknamed "Banana Nose" by his confreres, Arcaro won his first race in 1932 at the Agua Caliente racetrack in Tijuana, Mexico; he was 16 years old. In 1934, the inaugural year of Narragansett Park, Arcaro was a comparative unknown who rode many of his early career races at 'Gansett.
Document 5: Jose Ortiz (jockey): Jose Ortiz (born October 2, 1993) is a jockey in American Thoroughbred horse racing who has been a rider on the New York Racing Association circuit since 2012. In 2016, he was the leading jockey in North America by number of wins, including his first win at the Breeders' Cup. He was a finalist for the 2016 Eclipse Award for Outstanding Jockey. In 2017, he won his first Triple Crown race, the 2017 Belmont Stakes.
Document 6: 1977 Belmont Stakes: The 1977 Belmont Stakes was the 109th running of the Belmont Stakes at Belmont Park in Elmont, New York held on June 11, 1977. With a field of eight horses, Seattle Slew won by four lengths in front of a crowd of 70,229 spectators. In conjunction with previously winning the Kentucky Derby and Preakness Stakes, Seattle Slew became the tenth horse to with the Triple Crown of Thoroughbred Racing, and the first to do so unbeaten. The race went off at 5:47 pm ET and was televised on CBS nationwide.
Document 7: Arrogate: Arrogate (foaled April 11, 2013) is an American Thoroughbred racehorse who won the 2016 Travers Stakes in a track record in his first stakes appearance. He then won the Breeders' Cup Classic and was named the American Champion Three-Year-Old Male Horse and World's Best Racehorse of 2016. To start his four-year-campaign, he won the 2017 Pegasus World Cup in a new track record followed by a win in the Dubai World Cup. Despite having only four stakes race wins, the large purses for these wins have made him the all-time leading money earner in North America.
Document 8: Belmont Stakes: The Belmont Stakes is an American Grade I stakes Thoroughbred horse race held every June at Belmont Park in Elmont, New York. It is a 1.5 mi horse race, open to three-year-old Thoroughbreds. Colts and geldings carry a weight of 126 lb ; fillies carry 121 lb . The race, nicknamed The Test of the Champion, and The Run for the Carnations, is the third and final leg of the Triple Crown and is held five weeks after the Kentucky Derby and three weeks after the Preakness Stakes. The 1973 Belmont Stakes and Triple Crown winner Secretariat holds the mile and a half stakes record (which is also a track and world record on dirt) of 2:24.
Document 9: Irad Ortiz Jr.: Irad Ortiz Jr. (born in August 11, 1992) is a jockey in American Thoroughbred horse racing who has been a leading rider in New York since 2012. He won his first Breeders' Cup race on Lady Eli in 2014, and his first American Classic on Creator in the 2016 Belmont Stakes.
Document 10: Invasor (horse): Invasor (foaled August 3, 2002) is a Thoroughbred racehorse bred in Argentina by Haras Clausan (Haras Santa Ines). The winner of the 2005 Triple Crown in Uruguay, he was later purchased by Sheik Hamdan bin Rashid Al Maktoum, who paid approximately US$1.4 million for the horse. His two biggest wins were the 2006 Breeders' Cup Classic, in which he defeated heavily favored Bernardini and highly fancied Lava Man, and the 2007 Dubai World Cup, the world's richest horse race. He finished racing with a record of eleven wins in twelve starts and career earnings of $7,804,070. He was voted the Eclipse Award for American Horse of the Year and led the year-end World Thoroughbred Racehorse Rankings in 2006. In 2013 he was inducted into the National Museum of Racing and Hall of Fame in Saratoga Springs, New York.
Document 11: Rosie Napravnik: Anna Rose "Rosie" Napravnik (born February 9, 1988) is an American Thoroughbred horse racing jockey and two-time winner of the Kentucky Oaks. Beginning her career in 2005, she was regularly ranked among the top jockeys in North America in both earnings and total races won. By 2014 she had been in the top 10 by earnings three years in a row and was the highest-ranked woman jockey in North America. In 2011, she won the Louisiana Derby for her first time and was ninth in the 2011 Kentucky Derby with the horse Pants on Fire. In 2012, she broke the total wins and earnings record for a woman jockey previously held by Julie Krone, in the process becoming the first woman rider to win the Kentucky Oaks, riding Believe You Can, winning the race for a second time in 2014 on Untapable. She is only the second woman jockey to win a Breeders' Cup race and the first to win more than one, having won the 2012 Breeders' Cup Juvenile on Shanghai Bobby and the 2014 Breeders' Cup Distaff on Untapable. Napravnik's fifth-place finish in the 2013 Kentucky Derby and third in the 2013 Preakness Stakes on Mylute are the best finishes for a woman jockey in those two Triple Crown races to date, and she is the only woman to have ridden in all three Triple Crown races.
Document 12: 2009 Belmont Stakes: The 2009 Belmont Stakes was the 141st running of the Belmont Stakes. The race took place on June 6, 2009, and was televised on ABC and ESPN360. The value of the race was $1,000,000 in stakes. Post time was 6:19 p.m. EST. As the final jewel in the Triple Crown, this year's event was run without the elusive championship at stake as 2009 Kentucky Derby winner Mine That Bird was defeated in the Preakness. The attendance at Belmont Park was 52,861.
Document 13: 2015 Belmont Stakes: The 2015 Belmont Stakes (known as the 147th Belmont Stakes presented by DraftKings for sponsorship reasons) was the 147th in the Belmont Stakes series. The 1+1/2 mi race, known as the "test of the champion" and sometimes called the "final jewel" in thoroughbred horse racing's traditional Triple Crown series, was held on June 6, 2015, three weeks after the Preakness Stakes and five weeks after the Kentucky Derby. The Belmont Stakes was the 11th race of a 13 race card which included 10 stakes races.Post time for race 11 was 6:52 pm EDT.
Document 14: 2016 Belmont Stakes: The 2016 Belmont Stakes was the 148th running of the Belmont Stakes. The 1+1/2 mi race, known as the "test of the champion", is the final jewel in Thoroughbred horse racing's American Triple Crown series, and was held on June 11, 2016, three weeks after the Preakness Stakes and five weeks after the Kentucky Derby. The race, which had no Triple Crown at stake (as Derby winner Nyquist lost in the Preakness), was broadcast by NBC beginning at 5:00 p.m. EDT, with pre-race coverage on NBCSN starting at 3:00 p.m. The race was won by Creator by a nose over Destin. 2016 Preakness Stakes winner Exaggerator finished eleventh.
Document 15: 1973 Belmont Stakes: The 1973 Belmont Stakes was the 105th running of the Belmont Stakes at Belmont Park in Elmont, New York held on June 9, 1973. Facing a field of five horses, Secretariat won by 31 lengths, the largest margin of victory in Belmont history, in front of a crowd of 69,138 spectators. His winning time of 2 minutes and 24 seconds was an American record for a mile and a half on dirt and has not been broken. The event was televised and broadcast over the radio.
ground_truth: 2016 Belmont Stakes