question: Were M1 , M3 , and M4 influenced by M2 and influenced by a writer and executive producer of a prequel of M0
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x0 ns:film.writer.film ?x1 .
  ?x1 ns:film.film.sequel M0 .
  M1 ns:influence.influence_node.influenced_by ?x0 .
  M1 ns:influence.influence_node.influenced_by M2 .
  M3 ns:influence.influence_node.influenced_by ?x0 .
  M3 ns:influence.influence_node.influenced_by M2 .
  M4 ns:influence.influence_node.influenced_by ?x0 .
  M4 ns:influence.influence_node.influenced_by M2
  }