Was M2 written by a production company 's Canadian employee and executive produced by M3 , M4 , and M5
SELECT count(*) WHERE {
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x0 ns:people.person.nationality ns:m.0d060g .
?x1 a ns:film.production_company .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.executive_produced_by M4 .
M2 ns:film.film.executive_produced_by M5 .
M2 ns:film.film.written_by ?x0
}