Question: Who is the United States person behind the Twitter username Knucklepuck23?
Choices: Max Fleischer
William Henry Harrison
Sylvester Stallone
Babyface
Steven Wright
Rahul Dev Burman
Richard Gere
Paul Simon
David Byrne
Simon Cowell
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "Knucklepuck23" . [ <pred:fact_h> ?e ; <pred:fact_r> <Twitter_username> ; <pred:fact_t> ?pv ] <country> ?qpv . ?qpv <pred:value> "United States of America" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
Knucklepuck23
function: QFilterStr
dependencies: 1
inputs: country
United States of America
function: FilterConcept
dependencies: 2
inputs: human
function: What
dependencies: 3
Answer: Steven Wright