Question: How many plucked-string instruments have the Dewey Decimal Classification of 786.419?
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Answer: 1
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "plucked string instrument" . ?e <Dewey_Decimal_Classification> ?pv . ?pv <pred:value> "786.419" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Dewey Decimal Classification
786.419
function: FilterConcept
dependencies: 1
inputs: plucked string instrument
function: Count
dependencies: 2