CREATE TABLE head (head_id NUMBER, name CLOB, born_state CLOB, age NUMBER)
CREATE TABLE department (department_id NUMBER, name CLOB, creation CLOB, ranking NUMBER, budget_in_billions NUMBER, num_employees NUMBER)
CREATE TABLE management (department_id NUMBER, head_id NUMBER, temporary_acting CLOB)

What are the names of the states where at least 3 heads were born?
SELECT born_state FROM head GROUP BY born_state HAVING COUNT(*) >= 3
SELECT "born_state" FROM "head" GROUP BY "born_state" HAVING COUNT(*) >= 3