Question: What is the release region of the visual artwork that is written by Robert A. Heinlein and has the release date 1998-01-02?
Choices: Greek Theatre, Los Angeles
South Africa
Thailand
Bolivia
Sweden
Kazakhstan
Kingdom of the Netherlands
Rättvik
India
Chile
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <after_a_work_by> ?e_1 . ?e_1 <pred:name> "Robert A. Heinlein" .  ?e <publication_date> ?pv . ?pv <pred:date> "1998-01-02"^^xsd:date . [ <pred:fact_h> ?e ; <pred:fact_r> <publication_date> ; <pred:fact_t> ?pv ] <place_of_publication> ?qpv .  }
Program:
function: Find
inputs: Robert A. Heinlein
function: Relate
dependencies: 0
inputs: after a work by
backward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: QueryAttrQualifier
dependencies: 2
inputs: publication date
1998-01-02
place of publication
Answer: Sweden