List the first name and last name of customers have the amount of outstanding between 1000 and 3000.
SELECT first_name ,  last_name FROM Customers WHERE amount_outstanding BETWEEN 1000 AND 3000;
SELECT first_name ,  last_name FROM Customers WHERE amount_outstanding BETWEEN 1000 AND 3000;
[{'first_name': 'Rylan', 'last_name': 'Goodwin'}, {'first_name': 'Omer', 'last_name': 'Leuschke'}, {'first_name': 'Sigrid', 'last_name': 'Schmeler'}]