Was M2 executive produced by M3 , written by M4 , and edited by a American employee of M0
SELECT count(*) WHERE {
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.written_by M4
}