Question: What is the title of the soundtrack album of Mulan (the one that has Corey Burton as a voice actor)?
Choices: Ocean's Eleven
Revolutionary Road
Mao's Last Dancer
Mulan
Treasure Planet
The Texas Chainsaw Massacre
Stargate SG-1
A Great Day in Harlem
Hong Kong
Анна Каренина
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "soundtrack album" . ?e_1 <soundtrack_album> ?e . ?e_1 <pred:name> "Mulan" . ?e_1 <voice_actor> ?e_2 . ?e_2 <pred:name> "Corey Burton" .  ?e <title> ?pv .  }
Program:
function: Find
inputs: Corey Burton
function: Relate
dependencies: 0
inputs: voice actor
backward
function: Find
inputs: Mulan
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: soundtrack album
forward
function: FilterConcept
dependencies: 4
inputs: soundtrack album
function: QueryAttr
dependencies: 5
inputs: title
Answer: Mulan