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 city (District VARCHAR, Population INTEGER)

### Question ###
Find the number of cities in each district whose population is greater than the average population of cities?

### Accurate SQL ###

SELECT COUNT(*), District FROM city WHERE Population > (SELECT AVG(Population) FROM city) GROUP BY District