question: Was M2 written by M3 , produced by a employee of M0 and M1 , and directed by M4 , M5 , and M6
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  M2 ns:film.film.directed_by M4 .
  M2 ns:film.film.directed_by M5 .
  M2 ns:film.film.directed_by M6 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M2 ns:film.film.written_by M3
  }