user: Question: How many values for Maghreb with Mediterranean Europe is Siciliense?
Columns: ['Age (before)', 'America', 'Atlantic Europe', 'Maghreb', 'Mediterranean Europe', 'Central Europe']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['10,000 years', 'Flandrian interglacial', 'Flandriense', 'Mellahiense', 'Versiliense', 'Flandrian interglacial']
SQL:

assistant: SELECT COUNT("Maghreb") FROM "Table" WHERE "Mediterranean Europe" = 'Siciliense';