question: Was M0 's executive producer employed by M1 and M2 , employed by M3 and M4 , and employed by M5 's producer
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M4 .
  ?x1 ns:film.producer.film|ns:film.production_company.films M5
  }