Question: What is the release region of the film that is succeeded by Superman III and has the release date 1981-06-19?
Choices: Croatia
Indonesia
Bulgaria
Seattle International Film Festival
Rättvik
Argentina
Los Angeles
United States of America
Norway
BFI London Film Festival
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e_1 <follows> ?e . ?e_1 <pred:name> "Superman III" .  ?e <publication_date> ?pv . ?pv <pred:date> "1981-06-19"^^xsd:date . [ <pred:fact_h> ?e ; <pred:fact_r> <publication_date> ; <pred:fact_t> ?pv ] <place_of_publication> ?qpv .  }
Program:
function: Find
inputs: Superman III
function: Relate
dependencies: 0
inputs: follows
forward
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttrQualifier
dependencies: 2
inputs: publication date
1981-06-19
place of publication
Answer: United States of America