question: Was a producer and editor of M3 and M4 influenced by M0 and influenced by M1 and M2
query: SELECT count(*) WHERE {
  ?x0 ns:film.editor.film M3 .
  ?x0 ns:film.editor.film M4 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M3 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M4 .
  ?x0 ns:influence.influence_node.influenced_by M0 .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x0 ns:influence.influence_node.influenced_by M2
  }