Question: Which is the shortest among the studio albums that come from the U.K.?
Choices: Metallica
Neil Young
Peter Gabriel
Bedtime Stories
David Bowie
Friends
Illinois
Led Zeppelin
Shakira
The Beatles
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "studio album" . ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "United Kingdom" .  ?e <duration> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: United Kingdom
function: Relate
dependencies: 0
inputs: country of origin
backward
function: FilterConcept
dependencies: 1
inputs: studio album
function: SelectAmong
dependencies: 2
inputs: duration
smallest
Answer: Led Zeppelin