Question: What is the release region of the visual artwork that mainly portrays C. S. Lewis and has the publication date 1994-04-07?
Choices:
South Korea
Estonia
Charlotte Motor Speedway
Kingdom of the Netherlands
Telluride Film Festival
Europe
Germany
Philippines
Latvia
Austin
Answer: Germany
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <main_subject> ?e_1 . ?e_1 <pred:name> "C. S. Lewis" .  ?e <publication_date> ?pv . ?pv <pred:date> "1994-04-07"^^xsd:date . [ <pred:fact_h> ?e ; <pred:fact_r> <publication_date> ; <pred:fact_t> ?pv ] <place_of_publication> ?qpv .  }
Program:
function: Find
inputs: C. S. Lewis
function: Relate
dependencies: 0
inputs: main subject
backward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: QueryAttrQualifier
dependencies: 2
inputs: publication date
1994-04-07
place of publication