question: What was directed by , produced by , and written by a film producer whose sibling founded and was employed by M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.directed_by ?x1 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  ?x0 ns:film.film.written_by ?x1 .
  ?x1 a ns:film.producer .
  ?x1 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings ?x2 .
  ?x2 ns:organization.organization_founder.organizations_founded M1 .
  ?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  FILTER ( ?x1 != ?x2 )
  }