Question: What is the Twitter username of the person whose Libris-URI is qn25cbj847qt0jc?
Choices:
SassuoloUS
QUBelfast
ThePowerRangers
tomwaits
galifianakisz
kanyewest
littlerichard_
noelgallagher
canadiensmtl
WhitfordBradley
Answer: tomwaits
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Libris-URI> ?pv_1 . ?pv_1 <pred:value> "qn25cbj847qt0jc" . ?e <Twitter_username> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Libris-URI
qn25cbj847qt0jc
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username