Was M4 influenced by a Italian film editor that M2 starred and M3 starred
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.actor.film/ns:film.performance.film M2 .
?x0 ns:film.actor.film/ns:film.performance.film M3 .
?x0 ns:people.person.nationality ns:m.03rjj .
M4 ns:influence.influence_node.influenced_by ?x0
}