Question: How many keyboard instruments are under 2300 meters deep or belong to the Democratic Republic of the Congo?
Choices:
0
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2
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9
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: vertical depth
2300 metre
<
function: FilterConcept
dependencies: 1
inputs: keyboard instrument
function: Find
inputs: Democratic Republic of the Congo
function: Relate
dependencies: 3
inputs: country
backward
function: FilterConcept
dependencies: 4
inputs: keyboard instrument
function: Or
dependencies: 2
5
function: Count
dependencies: 6
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "keyboard instrument" .  { ?e <vertical_depth> ?pv . ?pv <pred:unit> "metre" . ?pv <pred:value> ?v . FILTER ( ?v < "2300"^^xsd:double ) .  } UNION { ?e <country> ?e_1 . ?e_1 <pred:name> "Democratic Republic of the Congo" .  } }
Answer: 0