Context: CREATE TABLE district (District_name VARCHAR, district_id VARCHAR); CREATE TABLE store (store_id VARCHAR, Type VARCHAR); CREATE TABLE store_district (store_id VARCHAR, district_id VARCHAR)
Question: Find the names of districts where have both city mall and village store type stores.
Answer: SELECT t3.District_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 t1.Type = "City Mall" INTERSECT SELECT t3.District_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 t1.Type = "Village Store"