Question: Who is the production designer of How Green Was My Valley?
Choices: Jack Bender
Cedric Gibbons
Robert Rodriguez
Walter Model
John Hughes
Max Fleischer
Richard Day
Sylvester Stallone
William Henry Harrison
Stanley Kramer
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <production_designer> ?e . ?e_1 <pred:name> "How Green Was My Valley" .   }
Program:
function: Find
inputs: How Green Was My Valley
function: Relate
dependencies: 0
inputs: production designer
forward
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Richard Day