Question: Who is the "My Friend Dahmer" 2017 American biographical drama film, also known as the Milwaukee Cannibal, based on?
Sentence (from "Marshall (film)"): Marshall is a 2017 American biographical drama film directed by Reginald Hudlin and written by Michael and Jacob Koskoff starring Chadwick Boseman as the first African-American Supreme Court Justice Thurgood Marshall and one of the first cases of his early career.
Relevant evidence: No