CREATE TABLE table_17771 ("Day:  ( see Irregularities  ) " TEXT, "Sunday S\\u014dl  ( Sun ) " TEXT, "Monday Luna  ( Moon ) " TEXT, "Tuesday Mars  ( Mars ) " TEXT, "Wednesday Mercurius  ( Mercury ) " TEXT, "Thursday Iuppiter  ( Jupiter ) " TEXT, "Friday Venus  ( Venus ) " TEXT, "Saturday Saturnus  (  Saturn ) " TEXT)

what's the saturday saturnus ( saturn) with wednesday mercurius (mercury) being mercuridi
SELECT "Saturday Saturnus ( Saturn)" FROM table_17771 WHERE "Wednesday Mercurius (Mercury)" = 'Mercuridi'
SELECT "Saturday Saturnus ( Saturn)" FROM "table_17771" WHERE "Wednesday Mercurius (Mercury)" = 'Mercuridi'