Question: What animated feature film has David Tennant as a voice actor?
Choices: Aladdin
Star Wars: The Clone Wars
The Princess and the Frog
Alice in Wonderland
Toy Story 2
Beauty and the Beast
The Rescuers
TMNT
WALL·E
How to Train Your Dragon
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "animated feature film" . ?e <voice_actor> ?e_1 . ?e_1 <pred:name> "David Tennant" .   }
Program:
function: Find
inputs: David Tennant
function: Relate
dependencies: 0
inputs: voice actor
backward
function: FilterConcept
dependencies: 1
inputs: animated feature film
function: What
dependencies: 2
Answer: How to Train Your Dragon