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_52 (rated_power VARCHAR, finish_construction VARCHAR)

### Question ###
What is the rated power for the reactor that ended construction on May 10, 1978?

### Accurate SQL ###

SELECT rated_power FROM table_name_52 WHERE finish_construction = "may 10, 1978"