Question: What is the Twitter username for the producer of "The Civil War"?
Choices:
simplemindscom
adamcarolla
FargoFX
stevenagefc
BenAffleck
VodafoneGroup
KenBurns
RWitherspoon
LeDoctor
RealPaulWalker
Answer: KenBurns
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <producer> ?e . ?e_1 <pred:name> "The Civil War" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: The Civil War
function: Relate
dependencies: 0
inputs: producer
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username