Question: What is the number of electronic musical instruments that have 54 as their Hornbostel-Sachs classification and that is the instrument used by John Cale.
Choices:
0
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2
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9
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Hornbostel-Sachs classification
54
function: FilterConcept
dependencies: 1
inputs: electronic musical instrument
function: Find
inputs: John Cale
function: Relate
dependencies: 3
inputs: instrument
forward
function: FilterConcept
dependencies: 4
inputs: electronic musical instrument
function: And
dependencies: 2
5
function: Count
dependencies: 6
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "electronic musical instrument" . ?e <Hornbostel-Sachs_classification> ?pv . ?pv <pred:value> "54" . ?e_1 <instrument> ?e . ?e_1 <pred:name> "John Cale" .  }
Answer: 0