Was a production company that employed a executive producer and writer of M0 and M1 and employed M4 and M5 M2
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.writer.film M0 .
?x0 ns:film.writer.film M1 .
M2 a ns:film.production_company .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M5
}