question: Was M3 's British female Swedish star a actor
query: SELECT count(*) WHERE {
  ?x0 a ns:film.actor .
  ?x0 ns:film.actor.film/ns:film.performance.film M3 .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  ?x0 ns:people.person.nationality ns:m.0d0vqn
  }