CREATE TABLE `Accounts` (
`account_id` INTEGER PRIMARY KEY,
`customer_id` INTEGER NOT NULL,
`account_name` VARCHAR(50),
`other_account_details` VARCHAR(255)
)

CREATE TABLE `Customers` (
`customer_id` INTEGER PRIMARY KEY,
`customer_first_name` VARCHAR(20),
`customer_last_name` VARCHAR(20),
`customer_address` VARCHAR(255),
`customer_phone` VARCHAR(255),
`customer_email` VARCHAR(255),
`other_customer_details` VARCHAR(255)
)

CREATE TABLE `Customers_Cards` (
`card_id` INTEGER PRIMARY KEY,
`customer_id` INTEGER NOT NULL,
`card_type_code` VARCHAR(15) NOT NULL,
`card_number` VARCHAR(80),
`date_valid_from` DATETIME,
`date_valid_to` DATETIME,
`other_card_details` VARCHAR(255)
)

CREATE TABLE `Financial_Transactions` (
`transaction_id` INTEGER NOT NULL ,
`previous_transaction_id` INTEGER,
`account_id` INTEGER NOT NULL,
`card_id` INTEGER NOT NULL,
`transaction_type` VARCHAR(15) NOT NULL,
`transaction_date` DATETIME,
`transaction_amount` DOUBLE NULL,
`transaction_comment` VARCHAR(255),
`other_transaction_details` VARCHAR(255),
FOREIGN KEY (`card_id` ) REFERENCES `Customers_Cards`(`card_id` ),
FOREIGN KEY (`account_id` ) REFERENCES `Accounts`(`account_id` )
)
SELECT card_type_code FROM Customers_cards GROUP BY card_type_code HAVING count(*)  >=  5
What are the codes of card types that have 5 or more cards?