As I said before, if we taking all chinesse clans as a one I would vote for them, because is hard to imagine all of these clans fight against eachother. They would basically outnumber hard every single clan.
If, we don't take them as a one, I would vote for SM (only if they gathered same numbers as on siege) And the choice is simple, TFD low levels parties, from what I saw are not very skilled, only Kiam and STR are worth there. Also, majority of SM are above 70, so level differences will be enough to win with same numbers. So 4 vs 4, definitely SM would win.
And tell me with explanation, what would be your choices now