user: Question: What is the maximum area (in acres) of the Knockacullen townland?
Columns: ['Townland', 'Area( acres )', 'Barony', 'Civil parish', 'Poor law union']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Aghyohil Beg', 94.0, 'East Carbery (E.D.)', 'Desertserges', 'Bandon']
SQL:

assistant: SELECT MAX("Area( acres )") FROM "Table" WHERE "Townland" = 'Knockacullen';