Question: Which human died from prostate cancer and has the official website http://www.wittgen-cam.ac.uk?
Choices: William Henry Harrison
Henry Bumstead
Sylvester Stallone
Gary Cooper
Ludwig Wittgenstein
Robert Guillaume
Harold Lloyd
Richard Gere
Max Fleischer
Telly Savalas
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <cause_of_death> ?e_1 . ?e_1 <pred:name> "prostate cancer" .  ?e <official_website> ?pv . ?pv <pred:value> "http://www.wittgen-cam.ac.uk" .  }
Program:
function: Find
inputs: prostate cancer
function: Relate
dependencies: 0
inputs: cause of death
backward
function: FilterConcept
dependencies: 1
inputs: human
function: FindAll
function: FilterStr
dependencies: 3
inputs: official website
http://www.wittgen-cam.ac.uk
function: FilterConcept
dependencies: 4
inputs: human
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Ludwig Wittgenstein