Passage: The 2013 Africa Cup of Nations, also known as the Orange Africa Cup of Nations South Africa 2013 for sponsorship reasons, held from 19 January to 10 February 2013, was the 29th Africa Cup of Nations, the football championship of Africa organized by the Confederation of African Football (CAF). Starting from this edition, the tournament was switched to being held in odd-numbered years instead of even-numbered years so that it does not clash with the FIFA World Cup.South Africa hosted the tournament for the second time, after previously hosting the 1996 African Cup of Nations. The 2013 tournament is the highest attended edition of the Africa Cup of Nations under the current, 16-team format. The South African team was eliminated in the quarter-finals by Mali, following a penalty shoot-out. Zambia were the defending champions, but were eliminated in the group stage.

Question: What was the name known as due to sponsorship reasons?
Orange Africa Cup of Nations South Africa 2013