Question: Who is the person whose Twitter username is ciara?
Choices: John Irving
Chris Lebenzon
Richard Gere
Josh Lucas
William Henry Harrison
Jean-Michel Jarre
Sylvester Stallone
Ciara
Olivia Newton-John
Marianne Faithfull
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "ciara" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
ciara
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Ciara