Question: Which person's Twitter username is HowardStern?
Choices: Kurtwood Smith
Juliette Binoche
Jay Mohr
Vince McMahon
Howard Stern
William Henry Harrison
Richard Gere
Sylvester Stallone
George Carlin
Max Fleischer
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "HowardStern" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
HowardStern
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Howard Stern