question: Was a company whose Japanese employee executive produced M0 , M1 , and M2 M4
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:people.person.nationality ns:m.03_3d .
  M4 a ns:business.employer .
  M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
  }