CREATE TABLE management (department_ID NUMBER, head_ID NUMBER, temporary_acting CLOB)
CREATE TABLE head (head_ID NUMBER, name CLOB, born_state CLOB, age FLOAT)
CREATE TABLE department (Department_ID NUMBER, Name CLOB, Creation CLOB, Ranking NUMBER, Budget_in_Billions FLOAT, Num_Employees FLOAT)

Show the average age of heads of departments born in each state with a bar chart, and show y-axis from low to high order.
SELECT born_state, AVG(age) FROM head GROUP BY born_state ORDER BY AVG(age)
SELECT "born_state", AVG("age") FROM "head" GROUP BY "born_state" ORDER BY AVG("age")