Question: And which also have auto loans?
SQL: SELECT T1.cust_name FROM customer AS T1 JOIN loan AS T2 ON T1.cust_id   =   T2.cust_id WHERE loan_type   =   'Mortgages' INTERSECT SELECT T1.cust_name FROM customer AS T1 JOIN loan AS T2 ON T1.cust_id   =   T2.cust_id WHERE loan_type   =   'Auto'