 Complete the following phrase:  In the 200607 season, DavisWhite made their debut both nationally and internationally as seniors. They placed 4th at both their 200607 ISU Grand Prix assignments. At the 2006 NHK Trophy, they became the first team to earn all level fours on their elements. At the 2007 U.S. Championships, they won the bronze medal at the senior level, qualifying them for the 