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"): In 1842 Berry sued for the freedom of her daughter Lucy Ann Berry, based on "partus sequitur ventrem" (the child is born into the status of the mother), which she won in 1844 in a case argued by Edward Bates, the future U.S. Attorney General under President Abraham Lincoln.
Relevant evidence: Yes