CREATE TABLE table_2727 ("Age  ( before ) " TEXT, "America" TEXT, "Atlantic Europe" TEXT, "Maghreb" TEXT, "Mediterranean Europe" TEXT, "Central Europe" TEXT)

What are all ages for Maghreb is Maarifiense?
SELECT "Age (before)" FROM table_2727 WHERE "Maghreb" = 'Maarifiense'
SELECT "Age (before)" FROM "table_2727" WHERE "Maghreb" = 'Maarifiense'