Question: What are the number of counties of Pennsylvania whose area is less than 45000 hectare ?
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Pennsylvania" . ?e <area> ?pv . ?pv <pred:unit> "hectare" . ?pv <pred:value> ?v . FILTER ( ?v < "45000"^^xsd:double ) .  }
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: area
45000 hectare
<
function: FilterConcept
dependencies: 1
inputs: county of Pennsylvania
function: Count
dependencies: 2