Question: What is the class of instruments that have the Hornbostel-Sachs classification is 211.26 or that is a drum kit's derivative work?
Choices: 0
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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> "211.26" .  } UNION { ?e_1 <derivative_work> ?e . ?e_1 <pred:name> "drum kit" .  } }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Hornbostel-Sachs classification
211.26
function: FilterConcept
dependencies: 1
inputs: class of instruments
function: Find
inputs: drum kit
function: Relate
dependencies: 3
inputs: derivative work
forward
function: FilterConcept
dependencies: 4
inputs: class of instruments
function: Or
dependencies: 2
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function: Count
dependencies: 6
Answer: 2