Table schema:
CREATE TABLE district (district_id VARCHAR, district_name VARCHAR); CREATE TABLE store_district (store_id VARCHAR, district_id VARCHAR); CREATE TABLE store (store_name VARCHAR, store_id VARCHAR)

Question: Find the names of all stores in Khanewal District.
SQL: SELECT t1.store_name FROM store AS t1 JOIN store_district AS t2 ON t1.store_id = t2.store_id JOIN district AS t3 ON t2.district_id = t3.district_id WHERE t3.district_name = "Khanewal District"