Question: How many programming languages are there whose programming paradigm is object-oriented programming ?
Choices: 0
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2
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5
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9
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "programming language" . ?e <programming_paradigm> ?e_1 . ?e_1 <pred:name> "object-oriented programming" .   }
Program:
function: Find
inputs: object-oriented programming
function: Relate
dependencies: 0
inputs: programming paradigm
backward
function: FilterConcept
dependencies: 1
inputs: programming language
function: Count
dependencies: 2
Answer: 5