Question: Which person's Twitter username is MedinaMusic?
Choices: Medina
Ira Gershwin
Yul Brynner
Amy Winehouse
Sylvester Stallone
Richard Gere
William Henry Harrison
Matthew Bellamy
Max Fleischer
Greg Graffin
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "MedinaMusic" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
MedinaMusic
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Medina