Question: What is the Twitter username of the person born in Guam?
Choices:
estac_officiel
sunsoftgames
MillaJovovich
pohangfc
bretmichaels
cloris_leachman
tf_autobot
AnnCurry
SpikeLee
xzibit
Answer: AnnCurry
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Guam" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Guam
function: Relate
dependencies: 0
inputs: place of birth
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username