Did a female person that wrote M1 executive produce M3 's sequel
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:film.writer.film M1 .
?x0 ns:people.person.gender ns:m.02zsn .
?x1 ns:film.film.prequel M3
}