Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE instructor (dept_name VARCHAR, salary INTEGER)

### Question ###
Find the minimum salary for the departments whose average salary is above the average payment of all instructors.

### Accurate SQL ###

SELECT MIN(salary), dept_name FROM instructor GROUP BY dept_name HAVING AVG(salary) > (SELECT AVG(salary) FROM instructor)