Were M2 and M3 directed by a film producer that was influenced by and influenced M1
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced_by M1 .
M2 ns:film.film.directed_by ?x0 .
M3 ns:film.film.directed_by ?x0
}