question: What cinematographer of M1 and M2 was employed by M0 and was employed by a production company
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.cinematographer.film M1 .
  ?x0 ns:film.cinematographer.film M2 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x1 a ns:film.production_company
  }