Question: What is the official website of the rock band withTwitter username wilco?
Choices:
http://www.dccomics.com/characters/batman
http://dragontattoofilm.com/
http://www.jackierobinson.com/
http://www.wkw-inthemoodforlove.com/eng/homepg/homepg.asp
http://www.gobroomecounty.com
http://virginia-madsen.org
https://www.aoni.co.jp/search/nozawa-masako.html
http://www.wilcoworld.net/
http://www.provincia.bz.it/
http://www.sv-eintracht-trier05.de/
Answer: http://www.wilcoworld.net/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "rock band" . ?e <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "wilco" . ?e <official_website> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
wilco
function: FilterConcept
dependencies: 1
inputs: rock band
function: QueryAttr
dependencies: 2
inputs: official website