Question: What person has a Twitter account called kttunstall?
Choices: Harlan Ellison
Anthony Kiedis
William Henry Harrison
Max Fleischer
Sean Combs
Ryan Phillippe
Richard Benjamin
KT Tunstall
Megan Fox
Sylvester Stallone
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "kttunstall" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
kttunstall
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: KT Tunstall