Who was a male cinematographer and writer of M1 and M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.cinematographer.film M1 .
?x0 ns:film.cinematographer.film M2 .
?x0 ns:film.writer.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:people.person.gender ns:m.05zppz
}