Question: What is the title of the animated feature film that has Robert Stack as a voice actor ?
Choices: House
The Best Exotic Marigold Hotel
Good Night, and Good Luck.
Hoffa
Apocalypto
The Transformers: The Movie
Rise of the Planet of the Apes
Little Fockers
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Ned Kelly
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "animated feature film" . ?e <voice_actor> ?e_1 . ?e_1 <pred:name> "Robert Stack" .  ?e <title> ?pv .  }
Program:
function: Find
inputs: Robert Stack
function: Relate
dependencies: 0
inputs: voice actor
backward
function: FilterConcept
dependencies: 1
inputs: animated feature film
function: QueryAttr
dependencies: 2
inputs: title
Answer: The Transformers: The Movie