CREATE TABLE staff (address_id VARCHAR(255), first_name VARCHAR(255)); CREATE TABLE address (address VARCHAR(255), address_id VARCHAR(255))
Where does the staff member with the first name Elsa live?
    
SQL: SELECT T2.address FROM staff AS T1 JOIN address AS T2 ON T1.address_id = T2.address_id WHERE T1.first_name = 'Elsa'