Question: What is the length of the short film that mostly describes WW II?
Choices: 259 minute
81 minute
145 minute
12 minute
159 minute
239 second
65 minute
75 minute
188 minute
62 minute
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "short film" . ?e <main_subject> ?e_1 . ?e_1 <pred:name> "World War II" .  ?e <duration> ?pv .  }
Program:
function: Find
inputs: World War II
function: Relate
dependencies: 0
inputs: main subject
backward
function: FilterConcept
dependencies: 1
inputs: short film
function: QueryAttr
dependencies: 2
inputs: duration
Answer: 12 minute