Question: What is the number of electronic musical instruments that have famous people the person who was educated at Saint Joseph's University?
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "electronic musical instrument" . ?e <famous_people> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <educated_at> ?e_2 . ?e_2 <pred:name> "Saint Joseph's University" .   }
Program:
function: Find
inputs: Saint Joseph's University
function: Relate
dependencies: 0
inputs: educated at
backward
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: famous people
backward
function: FilterConcept
dependencies: 3
inputs: electronic musical instrument
function: Count
dependencies: 4