Whether the (a) Nkomazi Local Municipality, (b) Chief Albert Luthuli Local Municipality, (c) Mbombela Local Municipality, (d) Bushbuckridge Local Municipality, (e) Nkangala District Municipality, (f) Gert Sibande Municipality or (g) Ehlanzeni District Municipality in Mpumalanga have ever (i) refused requests by members of the opposition to be seated together or (ii) assigned the specified members portfolios to serve on Council; if not, what is the position in this regard; if so, on what statutory grounds did the specified municipalities rely in each case?