Question: Which University students and adults have Minimum diameter of sakigawa for Female gender?
SQL: SELECT "University students and Adults (18yrs+)" FROM "2-13555999-1" WHERE "Specification" = 'Minimum diameter of sakigawa' AND "Gender" = 'Female';

Question: Which junior high school has Male and Female genders?
SQL: SELECT "Junior High School (12–15 yrs)" FROM "2-13555999-1" WHERE "Gender" = 'Male and Female';

Question: Which gender is associated with University students and adults of 25mm?
SQL: SELECT "Gender" FROM "2-13555999-1" WHERE "University students and Adults (18yrs+)" = '25mm';

Question: Which junior high school has university students and adults of 26mm?
SQL: SELECT "Junior High School (12–15 yrs)" FROM "2-13555999-1" WHERE "University students and Adults (18yrs+)" = '26mm';

Question: What value for university students and adult goes with Male gender for Minimum weight?
SQL: SELECT "University students and Adults (18yrs+)" FROM "2-13555999-1" WHERE "Gender" = 'Male' AND "Specification" = 'Minimum weight';