Was a company whose employee wrote , produced , and edited M0 M1
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x0 ns:film.writer.film M0 .
M1 a ns:business.employer .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}