Did M4 employ a Canadian film producer that M1 and M2 were written and executive produced by
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:film.writer.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:people.person.nationality ns:m.0d060g .
M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}