question: Were M2 and M3 directed and edited by a screenwriter that influenced M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.writer .
  ?x0 ns:influence.influence_node.influenced M1 .
  M2 ns:film.film.directed_by ?x0 .
  M2 ns:film.film.edited_by ?x0 .
  M3 ns:film.film.directed_by ?x0 .
  M3 ns:film.film.edited_by ?x0
  }