CREATE TABLE table_18813 ("Specification" CLOB, "Gender" CLOB, "Junior High School  ( 12\\u201315 yrs ) " CLOB, "Senior High School  ( 15\\u201318 yrs ) " CLOB, "University students and Adults  ( 18yrs+ ) " CLOB)

What is the specification where senior high school is 25mm?
SELECT "Specification" FROM table_18813 WHERE "Senior High School (15\u201318 yrs)" = '25mm'
SELECT "Specification" FROM "table_18813" WHERE "Senior High School (15\u201318 yrs)" = '25mm'