Question: Which film has the director who is older than the other, Detroit 9000 or A Conversation with Gregory Peck? 
Sentence (from "Barbara Kopple"): She has won two Academy Awards, the first in 1976 for" Harlan County, USA", about a Kentucky miners' strike, and the second in 1991 for" American Dream," the story of the Hormel Foods strike in Austin, Minnesota in 1985- 86.
Relevant evidence: No