Question: What number of mechanical waves influenced heavy metal?
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Answer: 1
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "mechanical wave" . ?e_1 <influenced_by> ?e . ?e_1 <pred:name> "heavy metal" .   }
Program:
function: Find
inputs: heavy metal
function: Relate
dependencies: 0
inputs: influenced by
forward
function: FilterConcept
dependencies: 1
inputs: mechanical wave
function: Count
dependencies: 2