Were M2 , M6 , and M7 edited by a Canadian film producer and executive produced by M3 , M4 , and M5
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:people.person.nationality ns:m.0d060g .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.executive_produced_by M4 .
M2 ns:film.film.executive_produced_by M5 .
M6 ns:film.film.edited_by ?x0 .
M6 ns:film.film.executive_produced_by M3 .
M6 ns:film.film.executive_produced_by M4 .
M6 ns:film.film.executive_produced_by M5 .
M7 ns:film.film.edited_by ?x0 .
M7 ns:film.film.executive_produced_by M3 .
M7 ns:film.film.executive_produced_by M4 .
M7 ns:film.film.executive_produced_by M5
}