Question: On which corner of North 4th and West State Streets is the arena that the 2010 Milwaukee Iron played in?

Context paragraphs:
2010 Chicago Rush season: The Chicago Rush season was the tenth season for the franchise in the Arena Football League.  The team was coached by Mike Hohensee and played their home games at Allstate Arena.  For the 10th consecutive season, the Rush qualified for the playoffs.  In the conference semifinals, they lost to the Milwaukee Iron, 54–64.

Cory Stone: Cory Stone (born March 6, 1972) is an American gridiron football coach and former player.  He has worked as an assistant coach with the Toronto Argonauts of the Canadian Football League (CFL).  Stone coached the Argonauts to a victory in the 100th Grey Cup in 2012.  He played college football at the University of Tennessee from 1992 to 1994 and professionally in the Arena Football League from 1996 to 2005.  Stone has coached in the Arena Football League for the Bakersfield Blitz, Rio Grande Valley Dorados, and Milwaukee Iron.  He has coached college football at Clark Atlanta University.

2011 Milwaukee Mustangs season: The Milwaukee Mustangs season is the third season for the franchise, and the second in the Arena Football League (AFL).  This is the first season for the team as the Mustangs, having previously been known as the "Milwaukee Iron".  The team is coached by Bob Landsee and plays their home games at Bradley Center.  The Mustangs finished 7–11, missing the playoffs.

Everett Street Depot: Everett Street Station, also called Milwaukee Union Station, was a railway station located in downtown Milwaukee, Wisconsin, built by the Chicago, Milwaukee, St. Paul and Pacific Railroad (CMStP&P RR), commonly known as "the Milwaukee Road."  The station was located on West Everett Street between North 2nd Street and North 4th Street, and it featured a 140-foot-high clock tower—the largest in America at the time of construction.  Designed by E. Townsend Mix in a "modern," functional style, the station combined the Gothic Revival style with elements drawing on Queen Anne and Romanesque Revival styles (such as stone archways) in an eclectic blend.  Walter G. Berg gave a detailed description of the building in "Buildings and Structures of American Railroads" (1893).

Belle Grove Historic District: Belle Grove Historic District is a predominantly residential historic district north of the central business district of Fort Smith, Arkansas.  This area became an affluent residential area not long after Fort Smith was established in 1842, and was most heavily developed between about 1870 and 1930.  It is one of the oldest residential neighborhoods in the state.  It includes a cross-section of architectural styles popular in the late 19th and early 20th centuries, although its oldest building, the c. 1840 John Rogers House (400 N 8th St), is Greek Revival in style.  The district is roughly bounded by North 4th, North 9th, North "B", and North "H" Streets.

List of Milwaukee Mustangs (2009–12) seasons: This is a list of seasons completed by the Milwaukee Mustangs.  The Mustangs were a professional arena football franchise based in Milwaukee, Wisconsin.  The team was established in 2009 as the Milwaukee Iron.  They changed their name to the Milwaukee Mustangs prior to the 2011 season.  They played in the af2 in 2009 and in the Arena Football League from 2010 to 2012.  They made the playoffs once.

Bradley Center: The Bradley Center (known as the BMO Harris Bradley Center under sponsorship agreements) is an indoor arena located on the northwest corner of North 4th and West State Streets in downtown Milwaukee, Wisconsin, United States.

St. John's Cathedral High School: St. John's Cathedral High School was a Roman Catholic high school in Milwaukee, Wisconsin associated with the Cathedral of St. John the Evangelist which operated from 1842, when it was founded as a school for boys (in the basement of the church at what is now the northwest corner of Jackson and State Streets) to 1976.  When it closed due to financial problems and declining enrollment, it was the oldest Catholic high school in Milwaukee.

2010 Milwaukee Iron season: The 2010 Milwaukee Iron season was the second season for the franchise, and the first in the Arena Football League (AFL), coming from the AF2, which dissolved following the 2009 season.  The team was coached by Bob Landsee and played their home games at Bradley Center.  For the opening round of the playoffs, the Iron played at U.S. Cellular Arena.  The Iron won the Midwest Division to qualify for the playoffs, and defeated the Chicago Rush in the conference semifinals, 64–54.  Advancing to the National Conference Championship, their season ended after losing on the road to the top-seeded Spokane Shock, 57–60.

Turner Hall (Milwaukee): Turner Hall is a historic athletic club facility at 1034 North 4th Street in Milwaukee, Wisconsin.  Named using the German "Turnen", meaning gymnastics or physical fitness, it is significant for its association with the American Turners, a German-American athletic, cultural, and political association.  The Milwaukee group was founded in 1853 under the title, "Socialist Turnverein"; its leaders included Socialist Congressman Victor Berger.  The building is one of the largest and most distinctive surviving buildings associated with the Turner movement, and was designated a National Historic Landmark in 1996.  It is now used as a performance and meeting venue.

Supporting paragraphs: 2010 Milwaukee Iron season Bradley Center
Answer: northwest