Question: Of all the television films done in black-and-white, which is the longest in duration?
Choices: The Challenge
The Three Musketeers
The Goodbye Girl
The Music Man
A Streetcar Named Desire
A Christmas Carol
The Late Shift
Luther
Shackleton
Germany in Autumn
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television film" . ?e <color> ?e_1 . ?e_1 <pred:name> "black-and-white" .  ?e <duration> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: Find
inputs: black-and-white
function: Relate
dependencies: 0
inputs: color
backward
function: FilterConcept
dependencies: 1
inputs: television film
function: SelectAmong
dependencies: 2
inputs: duration
largest
Answer: Germany in Autumn