Who influenced M2 's executive producer , was influenced by M1 , and was influenced by M3 's writer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced_by ?x2 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x1 ns:film.producer.films_executive_produced M2 .
?x2 ns:film.writer.film M3
}