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_54 (_number_of_prefectural_votes VARCHAR, _number_of_seats_won VARCHAR, leader VARCHAR)

### Question ###
What is the total number of # Of Prefectural Votes, when # Of Seats Won is greater than 69, and when Leader is Yasuhiro Nakasone?

### Accurate SQL ###

SELECT COUNT(_number_of_prefectural_votes) FROM table_name_54 WHERE _number_of_seats_won > 69 AND leader = "yasuhiro nakasone"