Question: Under which President of the United States, Isaac Wayne MacVeagh was served as the 36th Attorney General of the United States?
Sentence (from "James A. Garfield"): James Abram Garfield (November 19, 1831 – September 19, 1881) was the 20th President of the United States, serving from March 4, 1881, until his assassination later that year.
Relevant evidence: Yes