What was written by a person 's employer , written by M1 , and executive produced by M0
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 M1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x2 a ns:people.person
}