Question: Which person's Twitter username is realhartman?
Choices: William Henry Harrison
Eddie Izzard
Matt Frewer
Max Fleischer
Philip Johnson
Sylvester Stallone
Ringo Sheena
Richard Gere
Butch Hartman
Lil Wayne
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "realhartman" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
realhartman
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Butch Hartman