Were M4 and M5 written by a French person that edited M1 and edited M2
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:people.person.nationality ns:m.0f8l9c .
M4 ns:film.film.written_by ?x0 .
M5 ns:film.film.written_by ?x0
}