Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_54 (tonnage VARCHAR, u_boats_destroyed__kuk_ VARCHAR, ships_sunk__pola_ VARCHAR)
### Question:
What is the listed Tonnage that has U-boats destroyed (KuK) of 2 and Ships sunk (Pola) of (not recorded)?
### Answer:
SELECT tonnage FROM table_name_54 WHERE u_boats_destroyed__kuk_ = "2" AND ships_sunk__pola_ = "(not recorded)"