Question: How many communication media have a publication date that is after 1844?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "communication medium" . ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1844 ) .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: publication date
1844
>
function: FilterConcept
dependencies: 1
inputs: communication medium
function: Count
dependencies: 2
Answer: 2