Was M3 a production company whose British founder and employee directed M1 and M2
SELECT count(*) WHERE {
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:people.person.nationality ns:m.07ssc .
M3 a ns:film.production_company .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M3 ns:organization.organization.founders ?x0
}