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_17 (electricity_grid VARCHAR, commercial_operation VARCHAR)
### Question:
Which Electricity Grid started its Commercial Operation of 24.03.1973?
### Answer:
SELECT electricity_grid FROM table_name_17 WHERE commercial_operation = "24.03.1973"