question: Did M3 influence a screenwriter that played M1 and M2 and influence M4 , M5 , and M6
query: SELECT count(*) WHERE {
  ?x0 a ns:film.writer .
  ?x0 ns:film.actor.film/ns:film.performance.character M1 .
  ?x0 ns:film.actor.film/ns:film.performance.character M2 .
  M3 ns:influence.influence_node.influenced ?x0 .
  M3 ns:influence.influence_node.influenced M4 .
  M3 ns:influence.influence_node.influenced M5 .
  M3 ns:influence.influence_node.influenced M6
  }