Question: Which person's Twitter username is M_E_Winstead?
Choices: Sylvester Stallone
Marg Helgenberger
Maya Rudolph
Bernardo Bertolucci
Richard Gere
Mary Elizabeth Winstead
Max Fleischer
Sean Lennon
William Henry Harrison
Lili Taylor
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "M_E_Winstead" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
M_E_Winstead
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Mary Elizabeth Winstead