Were M4 and M5 executive produced by a female person that M1 and M2 were written by
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.writer.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:people.person.gender ns:m.02zsn .
M4 ns:film.film.executive_produced_by ?x0 .
M5 ns:film.film.executive_produced_by ?x0
}