Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the specification where senior high school is 25mm?

### Inputs:
table_name: table, columns: ['Specification', 'Gender', 'Junior High School (12–15 yrs)', 'Senior High School (15–18 yrs)', 'University students and Adults (18yrs+)']

### Response:
SELECT Specification FROM table WHERE Senior High School (15–18 yrs) = 25mm