CREATE TABLE "george_gross_memorial_trophy" (
  "year" real,
  "player" text,
  "position" text,
  "nationality" text,
  "team" text
);

Question: What's the nationality of Montreal Impact with Justin Mapp Category:articles with hcards as the player?
SQL: SELECT "nationality" FROM "george_gross_memorial_trophy" WHERE "team"='montreal impact' AND "player"='justin mapp category:articles with hcards';

Question: After 2009, who was the player that has a nationality of Canada?
SQL: SELECT "player" FROM "george_gross_memorial_trophy" WHERE "nationality"='canada' AND "year">2009;

Question: After 2009, what's the nationality of a player named Dwayne de Rosario Category:articles with hcards?
SQL: SELECT "nationality" FROM "george_gross_memorial_trophy" WHERE "year">2009 AND "player"='dwayne de rosario category:articles with hcards';

Question: What's the position when the player was Justin Mapp Category:articles with hcards with a United States nationality?
SQL: SELECT "position" FROM "george_gross_memorial_trophy" WHERE "nationality"='united states' AND "player"='justin mapp category:articles with hcards';