Question: Which person's Twitter username is dvntownsend?
Choices:
Mike Mills
Richard Gere
William Henry Harrison
Devin Townsend
Sylvester Stallone
Ronald Reagan
Max Fleischer
Mark Strong
Cyndi Lauper
Greg Graffin
Answer: Devin Townsend
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "dvntownsend" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
dvntownsend
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2