user: Question: What is the size of the windfarm in Wexford that has more than 19 turbines and a vendor of ENERCON?
Columns: ['Wind Farm', 'Capacity (MW)', 'Turbines', 'Turbine Vendor', 'Size (MW)', 'County']
Types: ['text', 'real', 'real', 'text', 'text', 'text']
Sample row: ['Altagowlan', 7.6, 9.0, 'Gamesa', '0.85', 'Roscommon']
SQL:

assistant: SELECT "Size (MW)" FROM "Table" WHERE "Turbines" > 19.0 AND "Turbine Vendor" = 'ENERCON' AND "County" = 'Wexford';