Question: The Washington Valor play their home games at the arena formerly known as what?
Context: Bryce Peila (born May 8, 1990) is a professional American football linebacker for the Philadelphia Soul of the Arena Football League (AFL).  After graduating in 2008 from Crater High School in Central Point, Oregon he attended Western Oregon University and played for the school's football team for four years (2009–12).  Peila is second all-time in the Great Northwest Athletic Conference in career interceptions with 15.  After his college career was over, Peila kept in football condition while working outside the sport.  In 2014, he worked out for Portland Thunder head coach Matthew Sauk and was subsequently signed to one-year contract to play for the team during their inaugural season.  According to the AFL, he stands at 6 ft and weighs 205 lb .  On March 10, 2017, Peila was assigned to the Washington Valor.  On April 5, 2017, Peila was placed on recallable reassignment.  On May 2, 2017, Peila was assigned to the Philadelphia Soul.  On August 26, 2017, the Soul beat the Tampa Bay Storm in ArenaBowl XXX by a score of 44–40. The Home Credit Arena (formerly known as Tipsport Arena) is an indoor sporting arena located in Liberec, Czech Republic, sponsored by gambling firm Tipsport.  The capacity of the arena is 9,000 people and it was built in 2005.  It is currently home to the HC Bílí Tygři Liberec ice hockey team.  It hosted matches from Group B and the Relegation Round at the 2008 World Junior Ice Hockey Championships.  It is also a venue for home games of Polish basketball team Turów Zgorzelec in the Eurocup and Euroleague. The BMO Harris Bank Center (formerly known as Rockford MetroCentre) is a 10,000-seat multi-purpose arena in downtown Rockford, Illinois.  It is currently home to the AHL's Rockford IceHogs hockey team.  The arena formerly served as the home of several defunct minor league sports teams, including the Rockford Lightning basketball team, the Rock River Raptors indoor football team, and the Rockford Rampage indoor soccer team. Capital One Arena, formerly known as MCI Center and Verizon Center, is a sports and entertainment arena located in Washington, D.C. The Baltimore Brigade are a professional arena football team to be based in Baltimore, Maryland, and scheduled to begin play in the Arena Football League (AFL) in 2017.  The team's home arena is the Royal Farms Arena.  The franchise is owned by Monumental Sports & Entertainment (Ted Leonsis, chairman), which also owns the Washington Valor of the AFL, Washington Wizards of the National Basketball Association (NBA), Washington Mystics of the Women's National Basketball Association (WNBA), and Washington Capitals of the National Hockey League (NHL). The Washington Valor season was the franchise's inaugural season and the city of Washington's first Arena Football League season since the Washington Commandos left in 1990.  The Valor played their home games at the Verizon Center. The Washington Valor are a professional arena football team based in Washington, D.C. that began play in the Arena Football League (AFL) in 2017.  The team's home arena is the Capital One Arena.  The Valor is owned by Monument Sports and Entertainment (Ted Leonsis, chairman), which also owns the Washington Wizards of the National Basketball Association (NBA), Washington Mystics of the Women's National Basketball Association (WNBA), Washington Capitals of the National Hockey League (NHL) and the new Baltimore Brigade franchise. The Philippine Institute of Sports Multi-Purpose Arena or PhilSports Arena is an indoor sporting arena located inside the PhilSports Complex in Pasig, Philippines.  It was formerly known as the University of Life Theater and Recreational Arena or the ULTRA.  The arena and its surrounding sports complex are maintained by the Philippine Sports Commission.  It was the site of the majority of the games of the Philippine Basketball Association from 1985 to 1992 and from 1999 to 2002.  The league still occasionally comes back to play at the arena.  The arena was also the home court of the Pasig-Rizal Pirates in the Metropolitan Basketball Association in 1998 and the San Juan Knights in 1999. The 2008–09 Canadian Major Indoor Soccer League (CMISL) season sees a different format than previous seasons.  As the league has become affiliated with the Professional Arena Soccer League (PASL) in the United States, the Edmonton Drillers and Saskatoon Accelerators will play four soccer games and the Calgary United FC will play eight games against the PASL teams.  Edmonton and Saskatoon will play two home games and two road games and Calgary will play four home games and four road games against PASL teams.  In the CMISL portion of the schedule each team will play eight games.  This will see Edmonton play six home games and two road games, Saskatoon play two home games and six road games and Calgary play six home games and two road games.  As a result of the imbalanced schedule, the CMISL announced that all Calgary United FC games against PASL opponents will only be worth one point in the standings.  The remainder of Calgary's schedule, as well as the entire Edmonton and Saskatoon schedules are worth two points in the standings. Regina Exhibition Stadium, also known as Queen City Gardens, is a demolished indoor arena formerly located in Evraz Place in Regina, Saskatchewan, Canada.  Built in 1919, it was a part of the Regina Exhibition Association Limited and was home to the Regina Pats of the Western Hockey League before the construction of the Agridome in 1977.  Buddy Holly performed a Halloween show in the stadium on October 31, 1957.  Exhibition Stadium was used for concerts, agricultural exhibitions, minor hockey, broomball, and other special occasions.  In 2017, the Stadium was used for the filming of the wrestling scenes in Canadian wrestling/comedy film "Chokeslam".
Answer: MCI Center and Verizon Center