Question: Which primary school was attended by the author of Philosophiae naturalis principia mathematica?
Answer(s):
answer: The King's School, Grantham

SPARQL query:
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SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:book.author.book_editions_published ns:m.04v0xms . 
?c ns:people.person.education ?y .
?y ns:education.education.institution ?x .
?x ns:education.educational_institution.school_type ns:m.014mjc .
}