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