Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_17 ( electricity_grid VARCHAR, commercial_operation VARCHAR )

### Question ###
Which Electricity Grid started its Commercial Operation of 24.03.1973?

### Accurate SQL ###

SELECT electricity_grid FROM table_name_17 WHERE commercial_operation = "24.03.1973"