Who was influenced by M3 's writer , influenced by a screenwriter , influenced by M1 , and influenced by a screenwriter
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by ?x2 .
?x0 ns:influence.influence_node.influenced_by ?x3 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x1 a ns:film.writer .
?x2 a ns:film.writer .
?x3 ns:film.writer.film M3
}