Question: Which website represents the rock band with radio personality Randy Jackson as a member?
Choices: http://www.officialjasonpriestley.com/
http://www.wittgen-cam.ac.uk
http://www.journeymusic.com
http://www.msu.ru/
http://www.suffolkva.us/
http://www.mash4077.co.uk/
http://www.sonypictures.com/movies/basicinstinct2/
http://www.rcgov.org/
http://www.city.kagoshima.lg.jp/
http://city-adm.lviv.ua/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "rock band" . ?e <has_part> ?e_1 . ?e_1 <pred:name> "Randy Jackson" . ?e_1 <occupation> ?e_2 . ?e_2 <pred:name> "radio personality" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: radio personality
function: Relate
dependencies: 0
inputs: occupation
backward
function: Find
inputs: Randy Jackson
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: has part
backward
function: FilterConcept
dependencies: 4
inputs: rock band
function: QueryAttr
dependencies: 5
inputs: official website
Answer: http://www.journeymusic.com