Were M2 and M3 directed by a person that M1 was edited by , produced by , directed by , and written by
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.director.film M1 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:film.writer.film M1 .
M2 ns:film.film.directed_by ?x0 .
M3 ns:film.film.directed_by ?x0
}