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_75 (year_commissioned INTEGER, gross_head__metres_ VARCHAR, average_annual_output__million_kwh_ VARCHAR)
### Question:
What is the Year commissioned of the power station with a Gross head of 60 metres and Average annual output of less than 59 million KWh?
### Answer:
SELECT MAX(year_commissioned) FROM table_name_75 WHERE gross_head__metres_ = 60 AND average_annual_output__million_kwh_ < 59