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 store_district (store_id VARCHAR)
TABLE: CREATE TABLE district (district_id VARCHAR, city_population VARCHAR)
TABLE: CREATE TABLE store (store_name VARCHAR, store_id VARCHAR)

### Question ###
Find all the stores in the district with the most population.

### Accurate SQL ###

SELECT t1.store_name FROM store AS t1 JOIN store_district AS t2 ON t1.store_id = t2.store_id WHERE district_id = (SELECT district_id FROM district ORDER BY city_population DESC LIMIT 1)