Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Specification | Gender | Junior High School (12–15 yrs) | Senior High School (15–18 yrs) | University students and Adults (18yrs+) |
| --- | --- | --- | --- | --- |
| Maximum length | Male & female | 114cm | 117cm | 120cm |
| Minimum weight | Male | 440g | 480g | 510g |
| Minimum weight | Female | 400g | 420g | 440g |
| Minimum diameter of sakigawa | Male | 25mm | 26mm | 26mm |
| Minimum diameter of sakigawa | Female | 24mm | 25mm | 25mm |
Question:
What amount is the junior high school where the gender is male and the specification is minimum diameter of sakigawa?
Answer:
25mm