user: Question: What all turbines have a capacity of 30 and have a Somerset location?
Columns: ['Name', 'Turbines', 'Capacity (MW)', 'Power (MW·hr/yr)', 'Location (county)', 'Year Operational', 'Status']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Allegheny Ridge Wind Farm', '40', '80', '210,240', 'Blair and Cambria', 2007.0, 'Operational']
SQL:

assistant: SELECT "Turbines" FROM "Table" WHERE "Location (county)" = 'Somerset' AND "Capacity (MW)" = '30';