Question: Who was the first president of the United States whose estate is maintained by Mount Vernon Ladies' Association?
Sentence (from "George Washington"): George Washington (February 22, 1732 [O.S. February 11, 1731]  – December 14 , 1799) was an American politician and soldier who served as the first President of the United States from 1789 to 1797 and was one of the Founding Fathers of the United States.
Relevant evidence: Yes