Question: How many written works are authored by Agatha Christie (whose ISNI is 0000 0003 6613 0900)?
Choices:
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "written work" . ?e <author> ?e_1 . ?e_1 <pred:name> "Agatha Christie" . ?e_1 <ISNI> ?pv . ?pv <pred:value> "0000 0003 6613 0900" .   }
Program:
function: Find
inputs: Agatha Christie
function: FilterStr
dependencies: 0
inputs: ISNI
0000 0003 6613 0900
function: Relate
dependencies: 1
inputs: author
backward
function: FilterConcept
dependencies: 2
inputs: written work
function: Count
dependencies: 3