Question: Information:  - Managua is the capital city of Nicaragua as well as of the department of the same name. Located on the southwestern shore of Lake Managua, it is Nicaragua's largest city, with a projected population in 2015 of 1,048,134 within the city limits and a population of 1,337,709 in the metropolitan area, which additionally includes the municipalities of Ciudad Sandino, El Crucero, Nindirí, Ticuantepe and Tipitapa.  - The Constitutionalist Liberal Party ( Spanish : Partido Liberal Constitucionalista , PLC ) is an opposition political party in Nicaragua . At the Nicaraguan general election of 5 November 2006 , the party won 25 of 92 seats in the National Assembly . However , the party suffered a devastating loss in the 2011 general election and lost 23 seats in the National Assembly .  - Central America is the southernmost, isthmian portion of the North American continent, which connects with South America on the southeast. Central America is bordered by Mexico to the north, Colombia to the southeast, the Caribbean Sea to the east, and the Pacific Ocean to the west. Central America consists of seven countries: Belize, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica and Panama. The combined population of Central America is between 41,739,000 (2009 estimate) and 42,688,190 (2012 estimate).  - Nicaragua, officially the Republic of Nicaragua, is the largest country in the Central American isthmus. Nicaragua's capital, Managua, is the country's largest city and the third-largest city in Central America. The multi-ethnic population of six million includes indigenous peoples, Europeans, Africans, and Asians. The main language is Spanish. Native tribes on the eastern coast speak their own languages.    What entity does 'constitutionalist liberal party' has the relation 'headquarters location' with?
Answer: managua

Question: Information:  - Vincent Condol "Vince" Gray (born November 8, 1942) is an American politician who served as the seventh Mayor of the District of Columbia. He served one term, from 2011 to 2015, losing his bid for reelection in the Democratic primary to D.C. City Council member Muriel Bowser. Bowser would go on to win the 2014 election. Prior to his inauguration as mayor in January 2011, Gray served as Chairman of the Council of the District of Columbia, and as Councilmember for Ward 7. In the 1990s he also served as director of the DC Department of Human Services. In June 2016, he defeated incumbent Yvette Alexander in the Democratic primary for the council seat he previously held in Ward 7.  - Adrian Malik Fenty (born December 6, 1970) is an American politician who served as the sixth mayor of the District of Columbia. He served one term, from 2007 to 2011, losing his bid for reelection at the primary level to Democrat Vincent C. Gray. Though Fenty won the Republican mayoral primary as a write-in candidate, he declined the Republican nomination and said he would likely not seek elected office again. Gray went on to win the general election for Mayor in the largely Democratic District.  - The Washington , D.C. mayoral election of 2010 took place on Tuesday , November 2 , 2010 . The primary elections occurred on September 14 , 2010 . Vincent Gray won the general election by a wide margin , although many voters wrote in incumbent Mayor Adrian Fenty , whom Gray defeated in the primary .    What entity does 'washington' has the relation 'office contested' with?
Answer:
mayor of the district of columbia