Question: The 16th President of the United States named which man the U.S. Attorney General after arguing a case for Polly Berry?
Sentence (from "Polly Berry"): Polly Berry, also known as Polly Crockett and Polly Wash (b. ca. 1818 – d. ca. 1870–1880), was an enslaved African-American woman who on October 3, 1839 filed a freedom suit in St. Louis, Missouri, which she won in 1843 based on having been held illegally as a slave for an extended period of time in the free state of Illinois.
Relevant evidence: No