Was a Swedish female film producer that edited M2 and wrote M3 a person
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 a ns:people.person .
?x0 ns:film.editor.film M2 .
?x0 ns:film.writer.film M3 .
?x0 ns:people.person.gender ns:m.02zsn .
?x0 ns:people.person.nationality ns:m.0d0vqn
}