Question: Who influenced John Steinbeck to write and contribute to Excalibur?
Answer(s):
answer: Thomas Malory

SPARQL query:
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SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.04107)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.04107 ns:influence.influence_node.influenced_by ?x .
?x ns:film.film_story_contributor.film_story_credits ns:m.01l63z . 
}