Question: What is the number of real properties having the heritage designation of National Historic Landmark and the Windsorcastleplan.png detail map?
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "real property" . ?e <heritage_designation> ?e_1 . ?e_1 <pred:name> "National Historic Landmark" .  ?e <detail_map> ?pv . ?pv <pred:value> "Windsorcastleplan.png" .  }
Program:
function: Find
inputs: National Historic Landmark
function: Relate
dependencies: 0
inputs: heritage designation
backward
function: FilterConcept
dependencies: 1
inputs: real property
function: FindAll
function: FilterStr
dependencies: 3
inputs: detail map
Windsorcastleplan.png
function: FilterConcept
dependencies: 4
inputs: real property
function: And
dependencies: 2
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function: Count
dependencies: 6
Answer: 0