Question: Who was buried before 1980-07-26, cited as being an influence on arthur conan doyle?
Answer(s):
answer: Edgar Allan Poe

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
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.deceased_person.date_of_burial ?num .
FILTER (?num < "1980-07-26"^^xsd:dateTime) . 
}