CREATE TABLE table_204_711 (id DECIMAL, "dance" TEXT, "best dancer ( s ) " TEXT, "best score" DECIMAL, "worst dancer ( s ) " TEXT, "worst score" DECIMAL)

who scored higher , argo ader for the quickstep or lauri pedaja for the paso doble ?
SELECT "best dancer(s)" FROM table_204_711 WHERE "dance" IN ('quickstep', 'paso doble') ORDER BY "best score" DESC LIMIT 1
SELECT "best dancer(s)" FROM "table_204_711" WHERE "dance" IN ('quickstep', 'paso doble') ORDER BY "best score" DESC NULLS LAST LIMIT 1