Question: Which film has the director who is older than the other, Detroit 9000 or A Conversation with Gregory Peck? 
Sentence (from "Arthur Marks"): Marks( August 2, 1927 – November 13, 2019) was an American film and television director, writer, producer and distributor best known for his work in the blaxploitation genre, directing films such as" Bonnie's KidsDetroit 9000 Friday FosterBucktown The Monkey Hu$tle" and" J. D.'s Revenge".
Relevant evidence: Yes