Were M1 and M3 executive produced by M2 and executive produced by a director , cinematographer , editor , and writer of M0
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M0 .
?x0 ns:film.director.film M0 .
?x0 ns:film.editor.film M0 .
?x0 ns:film.writer.film M0 .
M1 ns:film.film.executive_produced_by ?x0 .
M1 ns:film.film.executive_produced_by M2 .
M3 ns:film.film.executive_produced_by ?x0 .
M3 ns:film.film.executive_produced_by M2
}