Question: How many port cities are the twinned administrative body of Havana which is the twinned administrative body of Minsk?
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "port city" . ?e_1 <twinned_administrative_body> ?e . ?e_1 <pred:name> "Havana" . ?e_1 <twinned_administrative_body> ?e_2 . ?e_2 <pred:name> "Minsk" .   }
Program:
function: Find
inputs: Minsk
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: Find
inputs: Havana
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: twinned administrative body
forward
function: FilterConcept
dependencies: 4
inputs: port city
function: Count
dependencies: 5