Question: What is the official website for the Jack White who is a German language speaker?
Choices:
http://www.globaltv.com
http://www.britney.com/
http://www.j-white.de/
http://www.slamduncan.com/
http://www.tunisie.gov.tn
https://www.wba.co.uk/
http://www.greensboro-nc.gov
http://www.alternativetentacles.com
https://www.cgu.edu
http://www.toledocity.gov.ph/
Answer: http://www.j-white.de/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Jack White" . ?e <languages_spoken,_written_or_signed> ?e_1 . ?e_1 <pred:name> "German" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: German
function: Relate
dependencies: 0
inputs: languages spoken, written or signed
backward
function: Find
inputs: Jack White
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: official website