Question: What are the number of chemical elements whose discovery/invention time is after 1755 ?
Choices:
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "chemical element" . ?e <time_of_discovery_or_invention> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1755 ) .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: time of discovery or invention
1755
>
function: FilterConcept
dependencies: 1
inputs: chemical element
function: Count
dependencies: 2