Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_84 (capacity__mw_ INTEGER, wind_farm VARCHAR, turbines VARCHAR)
### Question:
What is the average capacity for the farm at Gortahile having more than 8 turbines?
### Answer:
SELECT AVG(capacity__mw_) FROM table_name_84 WHERE wind_farm = "gortahile" AND turbines > 8