Was a Swedish female film producer 's employer M3
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:people.person.gender ns:m.02zsn .
?x0 ns:people.person.nationality ns:m.0d0vqn .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}