Question: What is the number of saxophones that use the Hornbostel-Sachs classification of 422.212-71 and it is the instrument utilized by Sonny Rollins
Choices:
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "saxophone" . ?e <Hornbostel-Sachs_classification> ?pv . ?pv <pred:value> "422.212-71" . ?e_1 <instrument> ?e . ?e_1 <pred:name> "Sonny Rollins" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Hornbostel-Sachs classification
422.212-71
function: FilterConcept
dependencies: 1
inputs: saxophone
function: Find
inputs: Sonny Rollins
function: Relate
dependencies: 3
inputs: instrument
forward
function: FilterConcept
dependencies: 4
inputs: saxophone
function: And
dependencies: 2
5
function: Count
dependencies: 6