Question: Who has the Twitter username DohertyShannen?
Choices: Tiffani Thiessen
William Henry Harrison
Shannen Doherty
Mary Lynn Rajskub
Paul Lieberstein
Max Fleischer
Freddie Mercury
Glen A. Larson
Richard Gere
Billie Holiday
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "DohertyShannen" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
DohertyShannen
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Shannen Doherty