Was M2 edited by a British cinematographer , executive produced by M3 , and edited by M4 , M5 , and M6
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:people.person.nationality ns:m.07ssc .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.edited_by M4 .
M2 ns:film.film.edited_by M5 .
M2 ns:film.film.edited_by M6 .
M2 ns:film.film.executive_produced_by M3
}