Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the average capacity for the farm at Gortahile having more than 8 turbines?

### Inputs:
table_name: table, columns: ['Wind Farm', 'Scheduled', 'Capacity (MW)', 'Turbines', 'Type', 'Location']

### Response:
SELECT AVG Capacity (MW) FROM table WHERE Wind Farm = gortahile AND Turbines > 8