question: Did M0 's country of nationality employ M2 's executive producer and employ a actor
query: SELECT count(*) WHERE {
  ?x0 ^ns:people.person.nationality M0 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
  ?x1 a ns:film.actor .
  ?x2 ns:film.producer.films_executive_produced M2
  }