Question: What is the website of the video game that derives Silent Hill (the one whose release region is Canada)?
Choices: http://www.shutterisland.com
https://www.southwest.com
http://www.3drealms.com/
http://www.fxnetworks.com/shows/originals/the_shield/
http://www.tipperarycoco.ie/
http://www.gapinc.com
http://www.konami.com/officialsites/silenthill/
http://www.snowfallingoncedars.com
http://www.rickynelson.com/
https://www.lafayetteltravel.com
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "video game" . ?e_1 <based_on> ?e . ?e_1 <pred:name> "Silent Hill" . ?e_1 <film_release_region> ?e_2 . ?e_2 <pred:name> "Canada" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Canada
function: Relate
dependencies: 0
inputs: film release region
backward
function: Find
inputs: Silent Hill
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: based on
forward
function: FilterConcept
dependencies: 4
inputs: video game
function: QueryAttr
dependencies: 5
inputs: official website
Answer: http://www.konami.com/officialsites/silenthill/