CREATE TABLE table_10 ("Pick" FLOAT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "NHL team" TEXT, "College/junior/club team" TEXT)

How many different nationalities do the players of New Jersey Devils come from?
SELECT COUNT("Nationality") FROM table_10 WHERE "NHL team" = 'New Jersey Devils'
SELECT COUNT("Nationality") FROM "table_10" WHERE "NHL team" = 'New Jersey Devils'