user: Question: How many different sizes (in acres) are noted for Rathcoola East?
Columns: ['Townland', 'Area( acres )', 'Barony', 'Civil parish', 'Poor law union']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Agharinagh', 763.0, 'East Muskerry', 'Inishcarra', 'Cork']
SQL:

assistant: SELECT COUNT("Area( acres )") FROM "Table" WHERE "Townland" = 'Rathcoola East';