Question: What album has Jay-Z as a performer and has the title of American Gangster?
Choices: American Beauty
Roots
Bon Jovi
Dynasty
The B-52's
Toni Braxton
Hollywood
American Gangster
Luis Miguel
Kraftwerk
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "album" . ?e <performer> ?e_1 . ?e_1 <pred:name> "Jay-Z" .  ?e <title> ?pv . ?pv <pred:value> "American Gangster" .  }
Program:
function: Find
inputs: Jay-Z
function: Relate
dependencies: 0
inputs: performer
backward
function: FilterConcept
dependencies: 1
inputs: album
function: FindAll
function: FilterStr
dependencies: 3
inputs: title
American Gangster
function: FilterConcept
dependencies: 4
inputs: album
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: American Gangster