Was M2 executive produced by M3 , written by a director of M0 and M1 , and written by M4
SELECT count(*) WHERE {
?x0 ns:film.director.film M0 .
?x0 ns:film.director.film M1 .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.written_by ?x0 .
M2 ns:film.film.written_by M4
}