Table:
text: Canadian Championship
George Gross Memorial Trophy
George Gross Memorial Trophy
Year_ Player Position_ Nationality Team
2008 Matt Jordan Category:Articles with hCards Goalkeeper United States Montreal Impact
2009 Dwayne De Rosario Category:Articles with hCards Attacking Midfielder Canada Toronto FC
2010 Dwayne De Rosario Category:Articles with hCards Attacking Midfielder Canada Toronto FC
2011 Joao Plata Category:Articles with hCards Forward Ecuador Toronto FC
2012 Ryan Johnson Category:Articles with hCards Forward Jamaica Toronto FC
2013 Justin Mapp Category:Articles with hCards Midfielder United States Montreal Impact

Question: What is the nationality of Montreal Impact's George Gross Memorial Trophy featuring Justin Mapp Category:articles with hcards as a player in the Canadian Championship?

Question: After 2009, who was the Canadian nationality player under the Canadian Championship's George Gross Memorial Trophy?

Question: After 2009, what nationality is a player named Dwayne de Rosario?

Question: What is the position when the player Justin Mapp Category:articles with hcards was with a US nationality under the Canadian Championship George Gross Memorial Trophy?