Which executive producer of M1 influenced M0 and was influenced by a film producer
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:influence.influence_node.influenced M0 .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x1 a ns:film.producer
}