Question: Among the films that have Roger Birnbaum as an executive producer, which has the smallest duration?
Choices: Training Day
Curse of the Golden Flower
Memoirs of a Geisha
The Fifth Element
Invictus
Rebecca
Talk to Her
The Hunchback of Notre Dame
The Towering Inferno
A Prairie Home Companion
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <executive_producer> ?e_1 . ?e_1 <pred:name> "Roger Birnbaum" .  ?e <duration> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Roger Birnbaum
function: Relate
dependencies: 0
inputs: executive producer
backward
function: FilterConcept
dependencies: 1
inputs: film
function: SelectAmong
dependencies: 2
inputs: duration
smallest
Answer: Invictus