Question: How many conservatories have been designated as National Historic Landmarks?
Choices:
0
1
2
3
4
5
6
7
8
9
Program:
function: Find
inputs: National Historic Landmark
function: Relate
dependencies: 0
inputs: heritage designation
backward
function: FilterConcept
dependencies: 1
inputs: conservatory
function: Count
dependencies: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "conservatory" . ?e <heritage_designation> ?e_1 . ?e_1 <pred:name> "National Historic Landmark" .   }
Answer: 1