Was a film producer that M1 and M2 were executive produced by and edited by M3 's cinematographer and writer
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.cinematographer.film M3 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:film.writer.film M3
}