Question: What is the publication region of the film that mainly portrays finance and has the release date 1988-02-18?
Choices:
Washington, D.C.
New Amsterdam Theatre
Uruguay
Slovenia
2008 Toronto International Film Festival
Austria
United Arab Emirates
Germany
Singapore
New Zealand
Answer: Germany
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <main_subject> ?e_1 . ?e_1 <pred:name> "finance" .  ?e <publication_date> ?pv . ?pv <pred:date> "1988-02-18"^^xsd:date . [ <pred:fact_h> ?e ; <pred:fact_r> <publication_date> ; <pred:fact_t> ?pv ] <place_of_publication> ?qpv .  }
Program:
function: Find
inputs: finance
function: Relate
dependencies: 0
inputs: main subject
backward
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttrQualifier
dependencies: 2
inputs: publication date
1988-02-18
place of publication