question: Who was a female employee of a film 's producer and writer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x1 ns:film.producer.film|ns:film.production_company.films ?x2 .
  ?x1 ns:film.writer.film ?x2 .
  ?x2 a ns:film.film
  }