Question: Which feature film has the official website http://lucasfilm.com/labyrinth?
Choices: The Flintstones in Viva Rock Vegas
Ghostbusters
Labyrinth
Back to the Future Part III
Back to the Future
Holes
The Three Musketeers
The Chronicles of Narnia: Prince Caspian
G-Force
National Treasure: Book of Secrets
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "feature film" . ?e <official_website> ?pv . ?pv <pred:value> "http://lucasfilm.com/labyrinth" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://lucasfilm.com/labyrinth
function: FilterConcept
dependencies: 1
inputs: feature film
function: What
dependencies: 2
Answer: Labyrinth