Question: What is Alejandro Sanz's Twitter username?
Choices:
AlejandroSanz
bill_fichtner
RaithRovers_FC
MargaretAtwood
VicUniWgtn
MrCraigRobinson
sethgreen
CapitolRecords
PBS
jgarlin
Answer: AlejandroSanz
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Alejandro Sanz" . ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Alejandro Sanz
function: QueryAttr
dependencies: 0
inputs: Twitter username