Find the the name of the customers who have a loan with amount more than 3000.
SELECT T1.cust_name FROM customer AS T1 JOIN loan AS T2 ON T1.cust_id  =  T2.cust_id WHERE amount  >  3000
SELECT T1.cust_name FROM customer AS T1 JOIN loan AS T2 ON T1.cust_id  =  T2.cust_id WHERE amount  >  3000
[{'cust_name': 'Owen'}]