Question: What is the Twitter username of the visual artwork whose official website is http://www.vanhelsing.net/ ?
Choices: coldplay
NBC
rushtheband
OhioState
inouekazuhiko
goldfingermusic
VanHelsing_In
FilthyFrank
adjani_official
lsu
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.vanhelsing.net/" . ?e <Twitter_username> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.vanhelsing.net/
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: QueryAttr
dependencies: 2
inputs: Twitter username
Answer: VanHelsing_In