Question: What studio album features the performer whose Twitter username is DavidBowieReal?
Choices: David Bowie
Shakira
Friends
Neil Young
Illinois
Fame
The Beatles
Bedtime Stories
Metallica
Led Zeppelin
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "studio album" . ?e <performer> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <Twitter_username> ?pv . ?pv <pred:value> "DavidBowieReal" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
DavidBowieReal
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: performer
backward
function: FilterConcept
dependencies: 3
inputs: studio album
function: What
dependencies: 4
Answer: David Bowie