Question: How many art schools have the heritage designation National Historic Landmark?
Choices:
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Answer: 1
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "art school" . ?e <heritage_designation> ?e_1 . ?e_1 <pred:name> "National Historic Landmark" .   }
Program:
function: Find
inputs: National Historic Landmark
function: Relate
dependencies: 0
inputs: heritage designation
backward
function: FilterConcept
dependencies: 1
inputs: art school
function: Count
dependencies: 2