Was M2 executive produced by M3 and M4 and executive produced by a person influenced by a film editor
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x1 a ns:film.editor .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.executive_produced_by M4
}