Complex sentence: The station was opened to provide a means by which the GER could transport passengers to the nearby Alexandra Palace and competed with the nearby "Wood Green (Alexandra Palace) station" (now "Alexandra Palace station") on the Great Northern Railway.
Split into simpler sentences: The station was opened to provide a means by which the GER could transport passengers to the nearby Alexandra Palace. It was thus in competition with the nearby "Wood Green (Alexandra Palace) station"-now "Alexandra Palace station"-on the Great Northern Railway.