CREATE TABLE table_name_14 (nationality VARCHAR, team VARCHAR, player VARCHAR)

What's the nationality of Montreal Impact with Justin Mapp Category:articles with hcards as the player?
SELECT nationality FROM table_name_14 WHERE team = "montreal impact" AND player = "justin mapp category:articles with hcards"
SELECT "nationality" FROM "table_name_14" WHERE "justin mapp category:articles with hcards" = "player" AND "montreal impact" = "team"