question: Did M2 employ a Swedish director of M1 and employ M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M1 .
  ?x0 ns:people.person.nationality ns:m.0d0vqn .
  M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
  M2 ns:business.employer.employees/ns:business.employment_tenure.person M3
  }