Generate a sentence about this data: 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; United States ETHNIC_GROUP Asian Americans
Sentence:
250 Delaware Avenue is located in the United States where the English language is spoken. One of the leaders is John Roberts and the country is lead by the President. The Asian Americans are an ethnic group within the country.