Question: What is the Twitter username for the person who was born in Alameda County?
Choices:
OrvilleIV
nytimes
CBSNews
CityOfDallas
pinigol51
RealBetis
acmilanar
Disney
billyraycyrus
RedwoodCity
Answer: OrvilleIV
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Alameda County" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Alameda County
function: Relate
dependencies: 0
inputs: place of birth
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username