Was a Canadian cinematographer and editor of M3 a female screenwriter
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:film.cinematographer.film M3 .
?x0 ns:film.editor.film M3 .
?x0 ns:people.person.gender ns:m.02zsn .
?x0 ns:people.person.nationality ns:m.0d060g
}