Question: What is the title of the feature film that has an official website of http://www.ghostbusters.com/?
Choices: Arthur Christmas
Cirque du Freak: The Vampire's Assistant
Billy Elliot
Amazing Grace
Ghostbusters
The Crucible
Blade: Trinity
Quo vadis?
Android
Signs
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "feature film" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.ghostbusters.com/" . ?e <title> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.ghostbusters.com/
function: FilterConcept
dependencies: 1
inputs: feature film
function: QueryAttr
dependencies: 2
inputs: title
Answer: Ghostbusters