Question: What are the number of water areas whose vertical depth is not equal to 50 centimetre ?
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "water area" . ?e <vertical_depth> ?pv . ?pv <pred:unit> "centimetre" . ?pv <pred:value> ?v . FILTER ( ?v != "50"^^xsd:double ) .  }
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: vertical depth
50 centimetre
!=
function: FilterConcept
dependencies: 1
inputs: water area
function: Count
dependencies: 2