CREATE TABLE table_name_84 (capacity__mw_ NUMBER, wind_farm VARCHAR2, turbines VARCHAR2)

What is the average capacity for the farm at Gortahile having more than 8 turbines?
SELECT AVG(capacity__mw_) FROM table_name_84 WHERE wind_farm = "gortahile" AND turbines > 8
SELECT AVG("capacity__mw_") FROM "table_name_84" WHERE "gortahile" = "wind_farm" AND "turbines" > 8