Was a person that wrote and edited M1 and M2 M3 's cinematographer and star
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.actor.film/ns:film.performance.film M3 .
?x0 ns:film.cinematographer.film M3 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.writer.film M1 .
?x0 ns:film.writer.film M2
}