Question: How many prefectures of Japan are a part of the landform that is the terrain feature of Nagano Prefecture?
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "prefecture of Japan" . ?e_1 <has_part> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "landform" . ?e_2 <located_on_terrain_feature> ?e_1 . ?e_2 <pred:name> "Nagano Prefecture" .   }
Program:
function: Find
inputs: Nagano Prefecture
function: Relate
dependencies: 0
inputs: located on terrain feature
forward
function: FilterConcept
dependencies: 1
inputs: landform
function: Relate
dependencies: 2
inputs: has part
forward
function: FilterConcept
dependencies: 3
inputs: prefecture of Japan
function: Count
dependencies: 4