question: Did M1 influence M0 's prequel 's producer 's employee
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x1 ns:film.producer.film|ns:film.production_company.films ?x2 .
  ?x2 ns:film.film.sequel M0 .
  M1 ns:influence.influence_node.influenced ?x0
  }