United States : ethnic_group : Native Americans in the United States | United States : language : English language | United States : leader_title : President of the United States | United States : leader_name : John Roberts | 250 Delaware Avenue : location : United States
250 Delaware Avenue is located in the United States which has English as it's language and the ethnic group of Native Americans can be found. The leader of the US is titled the President and the current Chief Justice is John Roberts.