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

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'