Question: How many credit cards does Blanche Huels have?
SQL: SELECT count ( * )  FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id   =   T2.customer_id WHERE T2.customer_first_name   =   "Blanche" AND T2.customer_last_name   =   "Huels" AND T1.card_type_code   =   "Credit"