Was M2 influenced by M3 and M4 and influenced by a actor that produced a film
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 a ns:film.film .
M2 ns:influence.influence_node.influenced_by ?x0 .
M2 ns:influence.influence_node.influenced_by M3 .
M2 ns:influence.influence_node.influenced_by M4
}