question: What did a film director write , M1 's employer write , and M0 executive produce
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.executive_produced_by M0 .
  ?x0 ns:film.film.written_by ?x1 .
  ?x0 ns:film.film.written_by ?x2 .
  ?x1 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
  ?x2 a ns:film.director
  }