Question: What official website's visual artwork features Nicolas Cage in the character role of John McLoughlin?
Choices: http://www.raiders.com
http://www.tbsholdings.co.jp/
http://www.fc-magdeburg.de/
http://www.wtcmovie.com/
http://www.dreamworksanimation.com/rabbit/
http://www.tshwane.gov.za/Pages/default.aspx
http://www.frankloesser.com/
https://www.metallica.com/
http://www.patriots.com
http://www.marinadefauw.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Nicolas Cage" .  [ <pred:fact_h> ?e ; <pred:fact_r> <cast_member> ; <pred:fact_t> ?e_1 ] <character_role> ?qpv . ?qpv <pred:value> "John McLoughlin" . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Nicolas Cage
function: Relate
dependencies: 0
inputs: cast member
backward
function: QFilterStr
dependencies: 1
inputs: character role
John McLoughlin
function: FilterConcept
dependencies: 2
inputs: visual artwork
function: QueryAttr
dependencies: 3
inputs: official website
Answer: http://www.wtcmovie.com/