Tell me the store in which the staff member with first name "Elsa" works.
select * from staff as t1 join store as t2 on t1.store_id = t2.store_id where t1.first_name = 'Elsa'
Tell me her email.
select email from staff where first_name = 'Elsa'
Where does she live?
select t2.address from staff as t1 join address as t2 on t1.address_id = t2.address_id where t1.first_name = 'Elsa'