Question: Which writer is Russian, Jack Schaefer or Boris Pilnyak?
Sentence (from "Monte Walsh (2003 film)"): Loosely based on the 1963 Western novel "Monte Walsh" by Jack Schaefer, the film is about two long-time cowboys whose solitary and predictable lives on the range are inexorably changed when a fellow cowhand becomes involved with rustling and killing.
Relevant evidence: No