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_13555999_1 (junior_high_school__12_15_yrs_ VARCHAR, gender VARCHAR, specification VARCHAR)

### Question ###
What amount is the junior high school where the gender is male and the specification is minimum diameter of sakigawa?

### Accurate SQL ###

SELECT junior_high_school__12_15_yrs_ FROM table_13555999_1 WHERE gender = "Male" AND specification = "Minimum diameter of sakigawa"