Question: Which person was the production designer of the movie titled Citizen Kane?
Choices: Frank Miller
Van Nest Polglase
Ted Haworth
John Box
Chris Carter
Richard Sylbert
Bob Geldof
Hans Dreier
Henry Grace
Paul Sylbert
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <production_designer> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "visual artwork" . ?e_1 <title> ?pv . ?pv <pred:value> "Citizen Kane" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: title
Citizen Kane
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: Relate
dependencies: 2
inputs: production designer
forward
function: FilterConcept
dependencies: 3
inputs: human
function: What
dependencies: 4
Answer: Van Nest Polglase