Question: How many countries were the visual artwork with a publication of 1987-10-15 distributed in?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "country" . ?e_1 <film_distribute_region> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "visual artwork" . ?e_1 <publication_date> ?pv_1 . ?pv_1 <pred:date> "1987-10-15"^^xsd:date .   }
Program:
function: FindAll
function: FilterDate
dependencies: 0
inputs: publication date
1987-10-15
=
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: Relate
dependencies: 2
inputs: film distribute region
forward
function: FilterConcept
dependencies: 3
inputs: country
function: Count
dependencies: 4
Answer: 0