question: Were M1 and M2 influenced by M0 's prequel 's producer and director
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film ?x1 .
  ?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
  ?x1 ns:film.film.sequel M0 .
  M1 ns:influence.influence_node.influenced_by ?x0 .
  M2 ns:influence.influence_node.influenced_by ?x0
  }