Did a film editor influence M1 , influence M2 , M3 , M4 , and M5 , and influence a producer of M6
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced M2 .
?x0 ns:influence.influence_node.influenced M3 .
?x0 ns:influence.influence_node.influenced M4 .
?x0 ns:influence.influence_node.influenced M5 .
?x1 ns:film.producer.film|ns:film.production_company.films M6
}