Question: Which is shortest among the visual artworks that are a notable work of Robert Zemeckis?
Choices: Wonder Woman
Who Framed Roger Rabbit
A Christmas Carol
Anastasia
Superman
Code Geass
Cast Away
Magic Knight Rayearth
The Polar Express
Ponyo on the Cliff by the Sea
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e_1 <notable_work> ?e . ?e_1 <pred:name> "Robert Zemeckis" .  ?e <duration> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Robert Zemeckis
function: Relate
dependencies: 0
inputs: notable work
forward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: SelectAmong
dependencies: 2
inputs: duration
smallest
Answer: The Polar Express