Question: How many people have the Twitter username of vgcom?
Choices:
Graham Greene
John Ortiz
David Koechner
William Henry Harrison
Vince Gill
Brian Robbins
Sylvester Stallone
Richard Gere
Brett Favre
Max Fleischer
Answer: Vince Gill
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "vgcom" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
vgcom
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2