Question: What number of German states are a part of Namibia?
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "state of Germany" . ?e <part_of> ?e_1 . ?e_1 <pred:name> "Namibia" .   }
Program:
function: Find
inputs: Namibia
function: Relate
dependencies: 0
inputs: part of
backward
function: FilterConcept
dependencies: 1
inputs: state of Germany
function: Count
dependencies: 2