Was M1 a film producer 's male American employee
SELECT count(*) WHERE {
?x0 a ns:film.producer .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M1 ns:people.person.gender ns:m.05zppz .
M1 ns:people.person.nationality ns:m.09c7w0
}