Question: What person who died before October 1897 influenced Albert Einstein?
Answer(s):
answer: Thomas Young
answer: James Clerk Maxwell
answer: Baruch Spinoza
answer: Isaac Newton
answer: Fyodor Dostoyevsky
answer: Arthur Schopenhauer
answer: David Hume
answer: Bernhard Riemann

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0jcx)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0jcx ns:influence.influence_node.influenced_by ?x .
?x ns:people.deceased_person.date_of_death ?num .
FILTER (?num < "1897-10-29"^^xsd:dateTime) . 
}