question: Did M2 employ a film 's writer and executive producer , employ M3 , and employ a company 's employee
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x1 a ns:business.employer .
  ?x2 ns:film.producer.films_executive_produced ?x3 .
  ?x2 ns:film.writer.film ?x3 .
  ?x3 a ns:film.film .
  M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
  M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
  M2 ns:business.employer.employees/ns:business.employment_tenure.person M3
  }