Complex sentence: The Premier, William McKell, said that Beale's method of attacking political problems was unorthodox but that no one ever doubted his sincerity and he was untiring in his efforts for his constituents.
Split into simpler sentences: The Premier, William McKell said that Beale's method of attacking political problems were unorthodox but no one ever doubted his sincerity. He was untiring in his efforts for his constituents.