Question: What official website belongs to the person who is a member of the Dave Matthews Band?
Choices: http://rangers.co.uk/
https://www.gov.mo/en/
http://www.davematthewsband.com/
http://www.sonypictures.jp/special/bewitched/index.html
https://dc.gov/
https://www.apple.com/uk/ios/
http://www.azcardinals.com
http://www.johncorbettband.com/
http://www.jesus.cam.ac.uk/
http://www.miami.edu/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <has_part> ?e . ?e_1 <pred:name> "Dave Matthews Band" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Dave Matthews Band
function: Relate
dependencies: 0
inputs: has part
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: official website
Answer: http://www.davematthewsband.com/