CREATE TABLE table_name_39 (date_of_attack VARCHAR2, fate VARCHAR2, cargo VARCHAR2)

What is the Date of attack of the ship with iron ore sunk by u-101 *?
SELECT date_of_attack FROM table_name_39 WHERE fate = "sunk by u-101 *" AND cargo = "iron ore"
SELECT "date_of_attack" FROM "table_name_39" WHERE "cargo" = "iron ore" AND "fate" = "sunk by u-101 *"