Question: tell me the number of string instruments that is part of the musical instrument that has Hornbostel-Sachs classification of 321.321-5
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "string instrument" . ?e_1 <has_parts_of_the_class> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "musical instrument" . ?e_1 <Hornbostel-Sachs_classification> ?pv . ?pv <pred:value> "321.321-5" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Hornbostel-Sachs classification
321.321-5
function: FilterConcept
dependencies: 1
inputs: musical instrument
function: Relate
dependencies: 2
inputs: has parts of the class
forward
function: FilterConcept
dependencies: 3
inputs: string instrument
function: Count
dependencies: 4