Were M3 and M4 directed and written by M2 's female American cinematographer
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M2 .
?x0 ns:people.person.gender ns:m.02zsn .
?x0 ns:people.person.nationality ns:m.09c7w0 .
M3 ns:film.film.directed_by ?x0 .
M3 ns:film.film.written_by ?x0 .
M4 ns:film.film.directed_by ?x0 .
M4 ns:film.film.written_by ?x0
}