CREATE TABLE table_2723 ("Age  ( before ) " TEXT, "America" TEXT, "Atlantic Europe" TEXT, "Maghreb" TEXT, "Mediterranean Europe" TEXT, "Central Europe" TEXT)

What is every entry for Atlantic Europe when Central Europe is Wisconsin stage?
SELECT "Atlantic Europe" FROM table_2723 WHERE "Central Europe" = 'Wisconsin Stage'
SELECT "Atlantic Europe" FROM "table_2723" WHERE "Central Europe" = 'Wisconsin Stage'