Question: What is the name of a person of Russian origin, who was involved in Russian Civil War conflict?
Choices: Sergei Rachmaninoff
Joseph Stalin
William Henry Harrison
Richard Gere
Sylvester Stallone
Max Fleischer
Nicholas II of Russia
Leon Trotsky
Georgy Zhukov
Mike Nichols
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <ethnic_group> ?e_1 . ?e_1 <pred:name> "Russians" .  ?e <conflict> ?e_2 . ?e_2 <pred:name> "Russian Civil War" .  }
Program:
function: Find
inputs: Russians
function: Relate
dependencies: 0
inputs: ethnic group
backward
function: FilterConcept
dependencies: 1
inputs: human
function: Find
inputs: Russian Civil War
function: Relate
dependencies: 3
inputs: conflict
backward
function: FilterConcept
dependencies: 4
inputs: human
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Georgy Zhukov