Question: How many Pennsylvania counties have its headquarters located in the city of Pennsylvania that is an administrative division of Lancaster County (that is an administrative division of Pennsylvania)?
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Program:
function: Find
inputs: Pennsylvania
function: Relate
dependencies: 0
inputs: contains administrative territorial entity
forward
function: Find
inputs: Lancaster County
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: contains administrative territorial entity
forward
function: FilterConcept
dependencies: 4
inputs: city of Pennsylvania
function: Relate
dependencies: 5
inputs: headquarters location
backward
function: FilterConcept
dependencies: 6
inputs: county of Pennsylvania
function: Count
dependencies: 7
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Pennsylvania" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "city of Pennsylvania" . ?e_2 <contains_administrative_territorial_entity> ?e_1 . ?e_2 <pred:name> "Lancaster County" . ?e_3 <contains_administrative_territorial_entity> ?e_2 . ?e_3 <pred:name> "Pennsylvania" .   }
Answer: 0