Question: Of the feature films that mainly depict aviation, which has the shortest duration?
Choices: Bedknobs and Broomsticks
The Flintstones in Viva Rock Vegas
The Muppets
John Carter
The Rocketeer
Holes
G-Force
Old Dogs
The Flintstones
Alvin and the Chipmunks: Chipwrecked
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "feature film" . ?e <main_subject> ?e_1 . ?e_1 <pred:name> "aviation" .  ?e <duration> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: aviation
function: Relate
dependencies: 0
inputs: main subject
backward
function: FilterConcept
dependencies: 1
inputs: feature film
function: SelectAmong
dependencies: 2
inputs: duration
smallest
Answer: The Rocketeer