Were M4 and M5 produced by a Canadian film producer that a production company was founded by and M1 employed
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.nationality ns:m.0d060g .
?x1 a ns:film.production_company .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}