Question: Who was a key influence on Abraham Lincoln's decision to become president and who was buried on 1852-07-10?
Answer(s):
answer: Henry Clay

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0gzh)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0gzh ns:influence.influence_node.influenced_by ?x .
?x ns:people.deceased_person.date_of_burial "1852-07-10"^^xsd:dateTime . 
}