Question: What is the Twitter username of the person whose pseudonym is Brian Green?
Choices:
CNN
orsonscottcard
kimkardashian
DebbieGibson
ziggymarley
ManCityWomen
TheEaglesBand
aliciakeys
rustyrockets
iamjohnoliver
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: pseudonym
Brian Green
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <pseudonym> ?pv_1 . ?pv_1 <pred:value> "Brian Green" . ?e <Twitter_username> ?pv .  }
Answer: orsonscottcard