What is the name of the store in district 11?
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_id  =  11
name of the store in a specific district involves joining store information with district information based on their IDs; district 11 refers to district_id = 11;