Question: what is the number of rivers that has a discharge of more than 3700 cubic meters per second?
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Answer: 5
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "river" . ?e <discharge> ?pv . ?pv <pred:unit> "cubic metre per second" . ?pv <pred:value> ?v . FILTER ( ?v > "3700"^^xsd:double ) .  }
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: discharge
3700 cubic metre per second
>
function: FilterConcept
dependencies: 1
inputs: river
function: Count
dependencies: 2