Question: ISBN-13 978-1-84724-253-2 identifies how many works in writing?
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Answer: 1
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "written work" . ?e <ISBN-13> ?pv . ?pv <pred:value> "978-1-84724-253-2" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: ISBN-13
978-1-84724-253-2
function: FilterConcept
dependencies: 1
inputs: written work
function: Count
dependencies: 2