Question: What nationality is the director of film The Powers Girl?
Sentence (from "Walter Wink"): He was well known for his advocacy of and work related to nonviolent resistance and his seminal works on" The PowersNaming the Powers"( 1984)," Unmasking the Powers"( 1986)," Engaging the Powers"( 1992)," When the Powers Fall"( 1998), and" The Powers that Be"( 1999).
Relevant evidence: No