Complex sentence: The tournament is called Carlsberg Cup between 1983 and 2006 because Carlsberg was the major sponsor of the event.The name of this event from 2011 is changed to Asian Challenge Cup.
Split into simpler sentences: The tournament is called Carlsberg Cup between 1983 and 2006 because Carlsberg was the major sponsor of the event. In 2011, The name of this event is changed to Asian Challenge Cup.