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

Show me mean age by born state in a histogram, and could you order from low to high by the bars please?
SELECT born_state, AVG(age) FROM head GROUP BY born_state ORDER BY born_state
SELECT "born_state", AVG("age") FROM "head" GROUP BY "born_state" ORDER BY "born_state"