Question: Mankiller is a 2017 documentary film directed by Valerie Red-Horse Mohl, concerning the life of Wilma Mankiller, was a community organizer and the first woman elected to serve as chief of which organization?
Sentence (from "Wilma Mankiller"): Wilma Pearl Mankiller (November 18, 1945 – April 6, 2010) was a community organizer and the first woman elected to serve as chief of the Cherokee Nation.
Relevant evidence: Yes