CREATE TABLE table_19543 ("Pick #" FLOAT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "NHL team" TEXT, "College/junior/club team" TEXT)

Which nationality is the player from the Philadelphia Flyers?
SELECT "Nationality" FROM table_19543 WHERE "NHL team" = 'Philadelphia Flyers'
SELECT "Nationality" FROM "table_19543" WHERE "NHL team" = 'Philadelphia Flyers'