Question: What is the official website of the person who narrates Spider-Man 3 (the one that has J. K. Simmons as a voice actor)?
Choices:
http://www.acdc.com
http://www.pittsfield-ma.org/
https://www.lufthansa.com
http://www.bravotv.com/top-chef
http://www.comune.bari.it
http://www.tinker-tailor-soldier-spy.com/
http://www.asiargento.it/
http://www.williamsanderson.net/
http://www.rodstewart.com/
http://www.bruce-campbell.com/
Answer: http://www.bruce-campbell.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <narrator> ?e . ?e_1 <pred:name> "Spider-Man 3" . ?e_1 <voice_actor> ?e_2 . ?e_2 <pred:name> "J. K. Simmons" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: J. K. Simmons
function: Relate
dependencies: 0
inputs: voice actor
backward
function: Find
inputs: Spider-Man 3
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: narrator
forward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: official website