 Complete the following phrase:  The beginning of Ahmed with national teams was with under-17 by winning the 2006 GCC U-17 Championship in the Saudi Arabia. And he won the Golden Boot after scoring 5 goals in 5 matches of 5 Uaes matches in the tournament. In 2008, in Dammam, Saudi Arabia, with under-20, he was part of a team that won the 2008 AFC U-19 Championship and was a factor by scoring two winning goals in the final against Uzbekistan. He was named Player of the tournament and awarded the Golden Boot with four goals. A year later, he led the under-20 to the quarter-final in 2009 FIFA U-20 World Cup and he scored two goal, one against Honduras with a free kick in the 41st minute, and one against Venezuela in the 83rd minute a pass from teammate Ahmed Ali. Perhaps his most successful year was the 2010, in which he led the Olympic team to win the 2010 GCC U-23 Championship and was the top scorer with five goals of 4 matches. After only two months, he came back to lead the Olympic team for the first ever football silver medal in UAE history at 