Question: What is the official web address of the short film featuring Shelley Duvall as a cast member?
Choices: http://movies.disney.com/frankenweenie-1984
http://www.cebu.gov.ph/
http://www.jerryherman.com
http://www.bawejamovies.com/speed/main.htm
http://www.idalupino.com/home.html
http://www.huttcity.govt.nz
http://www.sslazio.it/
http://www.blizzard.com
http://www.daggers.co.uk/
http://www.inlandempirecinema.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "short film" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Shelley Duvall" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Shelley Duvall
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: short film
function: QueryAttr
dependencies: 2
inputs: official website
Answer: http://movies.disney.com/frankenweenie-1984