Question: Hornbostel-Sachs classifies how many instrument categories as 422.112-71?
Choices:
0
1
2
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9
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Hornbostel-Sachs classification
422.112-71
function: FilterConcept
dependencies: 1
inputs: class of instruments
function: Count
dependencies: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "class of instruments" . ?e <Hornbostel-Sachs_classification> ?pv . ?pv <pred:value> "422.112-71" .  }
Answer: 2