Question: The feature film about World War II had which region of release on 1971-12-13?
Choices: Sydney
Jordan
United States of America
2008 Toronto International Film Festival
Bulgaria
Greece
Egypt
Tokyo
Charlotte Motor Speedway
Toronto
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "feature film" . ?e <main_subject> ?e_1 . ?e_1 <pred:name> "World War II" .  ?e <publication_date> ?pv . ?pv <pred:date> "1971-12-13"^^xsd:date . [ <pred:fact_h> ?e ; <pred:fact_r> <publication_date> ; <pred:fact_t> ?pv ] <place_of_publication> ?qpv .  }
Program:
function: Find
inputs: World War II
function: Relate
dependencies: 0
inputs: main subject
backward
function: FilterConcept
dependencies: 1
inputs: feature film
function: QueryAttrQualifier
dependencies: 2
inputs: publication date
1971-12-13
place of publication
Answer: United States of America