Question: Of movies where Christopher Doyle served as director of photography, which boasts the longest run-time?
Choices: In the Mood for Love
Days of Being Wild
Happy Together
Chungking Express
Pleasantville
Psycho
A Prairie Home Companion
Rebecca
2046
The Quiet American
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <director_of_photography> ?e_1 . ?e_1 <pred:name> "Christopher Doyle" .  ?e <duration> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: Find
inputs: Christopher Doyle
function: Relate
dependencies: 0
inputs: director of photography
backward
function: FilterConcept
dependencies: 1
inputs: film
function: SelectAmong
dependencies: 2
inputs: duration
largest
Answer: 2046