Question: What is the title of the movie distributed by the National Park Service?
Choices: Mary Shelley
The Lord of the Rings: The Fellowship of the Ring
Superman III
Batman Returns
Scream 3
The Lord of the Rings: The Two Towers
Independence
Wonder Boys
Hilary and Jackie
The Chronicles of Narnia: Prince Caspian
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <distributor> ?e_1 . ?e_1 <pred:name> "National Park Service" .  ?e <title> ?pv .  }
Program:
function: Find
inputs: National Park Service
function: Relate
dependencies: 0
inputs: distributor
backward
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttr
dependencies: 2
inputs: title
Answer: Independence