What are the names of the workshop groups that have bookings with status code "stop"?
create table bookings (workshop_group_id varchar, status_code varchar, PRIMARY KEY (workshop_group_id)); create table drama_workshop_groups (store_name varchar, workshop_group_id varchar, PRIMARY KEY (store_name))
select t2.store_name from bookings as t1 join drama_workshop_groups as t2 on t1.workshop_group_id = t2.workshop_group_id where t1.status_code = "stop"