question: Was a producer and writer of M0 influenced by a film director and influenced by M1
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.film|ns:film.production_company.films M0 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x1 a ns:film.director
  }