Question: What is the birth name of the cast member of the silent film Arizona?
Choices: Hans Christian Andersen
Douglas Elton Thomas Ullman
Catherine Élise Blanchett
Clifford Smith
Glyn Oliver Myhill
Lauri Mauritz Harjola
Lars Trier
Hugh Richard Bonneville Williams
Maurice Ernest Gibb
Johann Christoph Friedrich von Schiller
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <cast_member> ?e . ?e_1 <pred:name> "Arizona" . ?e_1 <genre> ?e_2 . ?e_2 <pred:name> "silent film" .  ?e <birth_name> ?pv .  }
Program:
function: Find
inputs: silent film
function: Relate
dependencies: 0
inputs: genre
backward
function: Find
inputs: Arizona
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: cast member
forward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: birth name
Answer: Douglas Elton Thomas Ullman