 Complete the following phrase:  Between 2004 and 2007, Courtney refereed three matches in the Six Nations Championship. He made his Six Nations debut on 14 February 2004 when he took charge of a match between Wales and Scotland. On 19 March 2005 he refereed a match between Italy and France. In addition to refereeing, Courtney also served as a television match official and touch judge in the Six Nations. During the 