CREATE TABLE table_4126 ("Pick" TEXT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "NHL team" TEXT, "College/junior/club team" TEXT)

Which nationality has left wing as the position and college/junior/team is portland winterhawks (whl)?
SELECT "Nationality" FROM table_4126 WHERE "Position" = 'Left Wing' AND "College/junior/club team" = 'Portland Winterhawks (WHL)'
SELECT "Nationality" FROM "table_4126" WHERE "College/junior/club team" = 'Portland Winterhawks (WHL)' AND "Position" = 'Left Wing'