Question: Who is the person that influenced Arthur Conan Doyle and also said "I became insane, with long intervals and horrible sanity."?
Answer(s):
answer: Edgar Allan Poe

SPARQL query:
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SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0ky1)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0ky1 ns:influence.influence_node.influenced_by ?x .
?x ns:people.person.quotations ns:m.02kpjj5 . 
}