Was M4 executive produced by a film editor that M1 , M2 , and M3 influenced and executive produced by M5 and M6
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x0 ns:influence.influence_node.influenced_by M3 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.executive_produced_by M5 .
M4 ns:film.film.executive_produced_by M6
}