Was a company founded by M3 's writer and director and founded by a employee of M1 and M2
SELECT count(*) WHERE {
?x0 a ns:business.employer .
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders ?x2 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x2 ns:film.director.film M3 .
?x2 ns:film.writer.film M3
}