CREATE TABLE students (student_id VARCHAR(255)); CREATE TABLE addresses (city VARCHAR(255), address_id VARCHAR(255)); CREATE TABLE people_addresses (address_id VARCHAR(255), person_id VARCHAR(255))
Find distinct cities of address of students?
    
SQL: SELECT DISTINCT T1.city FROM addresses AS T1 JOIN people_addresses AS T2 ON T1.address_id = T2.address_id JOIN students AS T3 ON T2.person_id = T3.student_id