Was M4 edited by and produced by a character that M1 , M2 , and M3 were edited by
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
M4 ns:film.film.edited_by ?x0 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}