Query count pra retornar quantidade de registros no banco com Spring JPA

public interface PlaylistDao extends JpaRepository<Playlist, Long> {
    @Query("select count(*) from Playlist")
    public int verifica();
    }

@Service
@Transactional
public class PlaylistServiceImpl implements PlaylistService {

@Autowired
private PlaylistDao dao;

public int verifica(){
    return dao.verifica();
    }
}