Question: What person's Twitter username is MitchHurwitz?
Choices: Alejandro Sanz
James Cameron
Mike Bryan
William Henry Harrison
Richard Gere
Sylvester Stallone
Klaas-Jan Huntelaar
Theofanis Gekas
Mitchell Hurwitz
Max Fleischer
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "MitchHurwitz" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
MitchHurwitz
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Mitchell Hurwitz