Find the name of customers who have both saving and checking account types.
CREATE TABLE customer (
    cust_name VARCHAR,
    acc_type VARCHAR
)
SELECT cust_name FROM customer WHERE acc_type = 'saving' INTERSECT SELECT cust_name FROM customer WHERE acc_type = 'checking'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Find the name of customers who have both saving and checking account types. ### Input: CREATE TABLE customer (
    cust_name VARCHAR,
    acc_type VARCHAR
) ### Response: SELECT cust_name FROM customer WHERE acc_type = 'saving' INTERSECT SELECT cust_name FROM customer WHERE acc_type = 'checking'