CREATE TABLE table_name_86 (university_students_and_adults__18yrs VARCHAR, _ VARCHAR, specification VARCHAR, gender VARCHAR)

Which University students and adults have minimum diameter of Sakigawa for female gender?
SELECT university_students_and_adults__18yrs + _ FROM table_name_86 WHERE specification = "minimum diameter of sakigawa" AND gender = "female"
SELECT "university_students_and_adults__18yrs" + "_" FROM "table_name_86" WHERE "female" = "gender" AND "minimum diameter of sakigawa" = "specification"