Question: What is Rick Rubin's Twitter handle?
Choices:
lauradern
swallowspr
thebeachboys
TobeyMaguire
criterion
BillClinton
parmafc
WhitfordBradley
rickrubin
SteveO
Answer: rickrubin
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Rick Rubin" . ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Rick Rubin
function: QueryAttr
dependencies: 0
inputs: Twitter username