text: 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_64 (year_commissioned INTEGER, average_annual_output__million_kwh_ VARCHAR, installed_capacity__megawatts_ VARCHAR)
  ### Question:
  What is the earliest Year commissioned wiht an Average annual output greater than 58 and Installed capacity of 20?
  ### Answer:
  SELECT MIN(year_commissioned) FROM table_name_64 WHERE average_annual_output__million_kwh_ > 58 AND installed_capacity__megawatts_ = 20