Question: How many US states have a population under 89000000 and are in or next to Columbia River?
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "state of the United States" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> ?v . FILTER ( ?v < "89000000"^^xsd:double ) . ?e <located_in_or_next_to_body_of_water> ?e_1 . ?e_1 <pred:name> "Columbia River" .  }
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: population
89000000
<
function: FilterConcept
dependencies: 1
inputs: state of the United States
function: Find
inputs: Columbia River
function: Relate
dependencies: 3
inputs: located in or next to body of water
backward
function: FilterConcept
dependencies: 4
inputs: state of the United States
function: And
dependencies: 2
5
function: Count
dependencies: 6