Question:  The Philadelphia Spinners won the AUDL Championship over the Indianapolis AlleyCats at a stadium located in which US state ?

full_context: Document 1: 2015 American Ultimate Disc League season: The 2015 American Ultimate Disc League season was the fourth season for the league. Each team played a 14-game schedule. The San Jose Spiders won the AUDL Championship over the Madison Radicals at Avaya Stadium in San Jose, California. The Spiders won the championship despite entering the final four with the lowest seed after a regular-season record of 10-4.
Document 2: Philadelphia Spinners 2012 season: The 2012 Philadelphia Spinners season was the inaugural season for the franchise, and their first and only in the American Ultimate Disc League (AUDL). The Spinners went 13-2 in the regular season to claim the number one seed in both the Eastern Conference and the league. The Spinners won the inaugural AUDL championship at the Silverdome in Detroit, MI 29-22 over the Indianapolis AlleyCats.
Document 3: Joe Louis Arena: Joe Louis Arena is a closed multi-purpose arena located in Detroit, Michigan. Completed in 1979 at a cost of $57 million as a replacement for the Detroit Olympia, it sits adjacent to Cobo Center on the bank of the Detroit River and is accessible via the Joe Louis Arena station on the Detroit People Mover. The venue is named after former heavyweight champion boxer Joe Louis, who grew up in Detroit.
Document 4: MetLife Stadium: MetLife Stadium is an American sports stadium located in East Rutherford, New Jersey. It is part of the Meadowlands Sports Complex and serves as the home stadium for two National Football League (NFL) franchises: the New York Giants and the New York Jets. The stadium is owned by the MetLife Stadium Company, a joint venture of the Giants and Jets, who jointly built the stadium using private funds on land owned by the New Jersey Sports and Exposition Authority. The stadium opened as New Meadowlands Stadium in 2010. In 2011, MetLife, an insurance company based in New York City, acquired the naming rights to the stadium. At a construction cost of approximately $1.6 billion, it is the most expensive stadium ever built and is the second-largest stadium in the NFL in terms of seating capacity.
Document 5: Indianapolis AlleyCats: The Indianapolis AlleyCats or Indy AlleyCats are a professional ultimate team that competes in the Midwest Division of the American Ultimate Disc League. In their first year, the AlleyCats competed in the league championship, losing to the Philadelphia Spinners.
Document 6: Hubert H. Humphrey Metrodome: The Hubert H. Humphrey Metrodome (commonly called the Metrodome) was a domed sports stadium located in downtown Minneapolis, Minnesota. It opened in 1982 as a replacement for Metropolitan Stadium, the former home of the National Football League's (NFL) Minnesota Vikings and Major League Baseball's (MLB) Minnesota Twins, and Memorial Stadium, the former home of the Minnesota Golden Gophers football team.
Document 7: The Dome at America's Center: The Dome at America's Center, or The Dome, is a multi-purpose stadium used mostly for American football in St. Louis, Missouri, United States. It primarily served as the home of the St. Louis Rams from 1995 until 2015 when the Rams relocated back to Los Angeles in 2016. The stadium, previously known as the Trans World Dome from 1995 to 2001, and then as the Edward Jones Dome from 2002 to 2016, was constructed largely to lure an NFL team back to St. Louis and to serve as a convention center.
Document 8: Georgia Dome: The Georgia Dome is a recently retired domed stadium in the southeastern United States, currently under demolition. Located in Atlanta, Georgia, between downtown to the east and Vine City to the west, it was owned and operated by the State of Georgia as part of the Georgia World Congress Center Authority. Its successor, Mercedes-Benz Stadium, was built adjacent to the south and opened in August 2017.
Document 9: AT&amp;T Stadium: AT&T Stadium, formerly Cowboys Stadium, is a retractable roof stadium in Arlington, Texas, United States. It serves as the home of the Dallas Cowboys of the National Football League (NFL) and was completed on May 27, 2009. It is also the home of the Cotton Bowl Classic. The facility, owned by the city of Arlington, can also be used for a variety of other activities such as concerts, basketball games, college and high school football contests, soccer matches, and motocross and Spartan races. It replaced the partially covered Texas Stadium, which served as the Cowboys' home from 1971 through the 2008 season.
Document 10: 2012 American Ultimate Disc League season: The 2012 American Ultimate Disc League season was the first season for the league. Each team was scheduled to play a 16-game schedule. The Philadelphia Spinners won the AUDL Championship over the Indianapolis AlleyCats at the Pontiac Silverdome. After the season all but three teams (Detroit Mechanix, Indianapolis AlleyCats, and the Bluegrass Revolution) left or folded.
Document 11: 2013 American Ultimate Disc League season: The 2013 American Ultimate Disc League season was the second season for the league. Each team played a 16-game schedule. The Toronto Rush won the AUDL Championship II over the Madison Radicals in Chicago, IL. The Rush completed the first undefeated season in AUDL history, going 16-0 in the regular season and winning both playoff games.
Document 12: Philadelphia Phoenix (AUDL): The Philadelphia Phoenix are a men's ultimate team based in Philadelphia in the American Ultimate Disc League. They are in the Eastern Division with the DC Breeze, New Jersey Hammerheads, New York Empire, Rochester Dragons, and Toronto Rush. The team was introduced in the 2013 Season of the AUDL, replacing the Philadelphia Spinners, who left the league in 2012 to join Major League Ultimate. The Phoenix plays its home games at A. A. Garthwaite Stadium in Conshohocken, Pennsylvania. The Phoenix had their first franchise win on April 27, 2013 against the Rochester Dragons, winning 26 to 14 at home.
Document 13: Philadelphia Spinners: The Philadelphia Spinners were a professional ultimate team based in Philadelphia, Pennsylvania. They were founded in 2012 as a team in the American Ultimate Disc League (AUDL), but then moved to Major League Ultimate (MLU). They played in the MLU until the league was suspended in 2016. Their home stadium was Carey Stadium at Germantown Academy.
Document 14: 2016 American Ultimate Disc League season: The 2016 American Ultimate Disc League season is the fifth season for the league. The twenty-six teams were split into four regional divisions (East, Midwest, West and South), with each team playing a 14-game schedule. The second and third placed teams in each division advanced to a playoff match, with the winners facing the first placed team in their division. The winners of these matches advanced to the AUDL Championship Weekend, which featured semifinals and then a final for the AUDL Championship. Dallas Roughnecks defeated Seattle Cascades 33–27 in the final to become the 2016 AUDL Champions.
Document 15: Pontiac Silverdome: The Pontiac Silverdome, formerly known as the Silverdome, is a stadium in Pontiac, Michigan, United States, which is a suburb of Detroit. It opened in 1975 and sits on 127 acre of land. When the stadium opened, it featured a fiberglass fabric roof held up by air pressure, the first use of the technique in a major athletic facility. The roof has since been destroyed. With a seating capacity of 82,000, it was the largest stadium in the National Football League (NFL) until FedExField (91,000 capacity) in suburban Washington, D.C., opened in 1997.
ground_truth: Michigan