Question: Which is the shortest among the visual artworks that have Conrad Buff IV as a film editor?
Choices: True Lies
Rise of the Planet of the Apes
The Last Airbender
Titanic
Thirteen Days
Training Day
The Happening
Snow White and the Huntsman
Terminator 2: Judgment Day
Seraphim Falls
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <film_editor> ?e_1 . ?e_1 <pred:name> "Conrad Buff IV" .  ?e <duration> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Conrad Buff IV
function: Relate
dependencies: 0
inputs: film editor
backward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: SelectAmong
dependencies: 2
inputs: duration
smallest
Answer: The Happening