Question: Sergei Prokofiev founded what number of boarding schools?
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "boarding school" . ?e_1 <found> ?e . ?e_1 <pred:name> "Sergei Prokofiev" .   }
Program:
function: Find
inputs: Sergei Prokofiev
function: Relate
dependencies: 0
inputs: found
forward
function: FilterConcept
dependencies: 1
inputs: boarding school
function: Count
dependencies: 2