Who influenced M1 and influenced a executive producer of M2 's sequel
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced M1 .
?x1 ns:film.producer.films_executive_produced ?x2 .
?x2 ns:film.film.prequel M2
}