question: Did a Mexican film producer influenced by a film producer edit and produce M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M1 .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:people.person.nationality ns:m.0b90_r .
  ?x1 a ns:film.producer
  }