Did M3 , M4 , and M5 executive produce and write a film written by M1 and written by M2
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.written_by M1 .
?x0 ns:film.film.written_by M2 .
M3 ns:film.producer.films_executive_produced ?x0 .
M3 ns:film.writer.film ?x0 .
M4 ns:film.producer.films_executive_produced ?x0 .
M4 ns:film.writer.film ?x0 .
M5 ns:film.producer.films_executive_produced ?x0 .
M5 ns:film.writer.film ?x0
}