Question: regarding the visual artwork that mainly depicts gang and that was published on 2003-02-20, where did it get published
Choices:
South Korea
Poland
Uruguay
New Amsterdam Theatre
Kazakhstan
European Union
Greek Theatre, Los Angeles
Greece
Germany
Toronto International Film Festival
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> "gang" .  ?e <publication_date> ?pv . ?pv <pred:date> "2003-02-20"^^xsd:date . [ <pred:fact_h> ?e ; <pred:fact_r> <publication_date> ; <pred:fact_t> ?pv ] <place_of_publication> ?qpv .  }
Program:
function: Find
inputs: gang
function: Relate
dependencies: 0
inputs: main subject
backward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: QueryAttrQualifier
dependencies: 2
inputs: publication date
2003-02-20
place of publication