Question: What's the title of the visual artwork featuring  D. W. Griffith in its cast ?
Choices: Dangerous Liaisons
Georgia
Fish Tank
Requiem for a Dream
Franz Schubert – Ein Leben in zwei Sätzen
Frasier
2012
Hellboy II: The Golden Army
ואלס עם באשיר
San Francisco
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "D. W. Griffith" .  ?e <title> ?pv .  }
Program:
function: Find
inputs: D. W. Griffith
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: QueryAttr
dependencies: 2
inputs: title
Answer: San Francisco