Question: What official website belongs to the band with the Twitter handle nofxofficial?
Choices:
http://www.clark.wa.gov
http://www.coloradorockies.com/
http://www.ryanseacrest.com/
http://www.balliol.ox.ac.uk/
http://www.rachel-mcadams.net/
http://www.nofxofficialwebsite.com/
http://www.co.montgomery.tx.us/
http://www.cpfc.co.uk/
https://freeform.go.com/shows/pretty-little-liars/news
http://sydney.edu.au/
Answer: http://www.nofxofficialwebsite.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "band" . ?e <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "nofxofficial" . ?e <official_website> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
nofxofficial
function: FilterConcept
dependencies: 1
inputs: band
function: QueryAttr
dependencies: 2
inputs: official website