Question: What's the name of the person with stevienicks as a Twitter handle?
Choices: Mauricio Pinilla
William Shatner
Hrithik Roshan
John Hughes
Max Fleischer
Ernst Lubitsch
Christoph Waltz
Stevie Nicks
Richard Gere
Sylvester Stallone
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "stevienicks" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
stevienicks
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Stevie Nicks