Question: What is the Twitter username of the person who inspired Oprah Winfrey?
Choices: SamuelLJackson
RepJohnConyers
cerati
hajduk_hr
dynamokyiven
505_Games
PattyArquette
chiyoda_city
DrMayaAngelou
VisitDover
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <inspired_by> ?e . ?e_1 <pred:name> "Oprah Winfrey" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Oprah Winfrey
function: Relate
dependencies: 0
inputs: inspired by
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username
Answer: DrMayaAngelou