Question: Which film has its official site at the web address http://www.thehappeningmovie.com?
Choices:
Rear Window
The Happening
All About Steve
Seven Psychopaths
Pleasantville
Vera Drake
A Prairie Home Companion
Rebecca
Talk to Her
Elektra
Answer: The Happening
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.thehappeningmovie.com" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.thehappeningmovie.com
function: FilterConcept
dependencies: 1
inputs: film
function: What
dependencies: 2