United_States | capital | Washington,_D.C. United_States | leaderTitle | President_of_the_United_States United_States | leader | John_Roberts United_States | leader | Joe_Biden 250_Delaware_Avenue | location | United_States
Washington DC is the capital of the United States where the country's leader is known as the President. Joe Biden is a leader in the US and the Chief Justice of the USA is John Roberts. The country is the location of 250 Delaware Avenue.