CREATE TABLE table_name_23 (name VARCHAR(255), casualties VARCHAR(255), sunk_by… VARCHAR(255), date VARCHAR(255), nationality VARCHAR(255))
What is the name of the ship sunk on 5 May 1943 from the United Kingdom sunk by an u-266 with 0 casualties?
    
SQL: SELECT name FROM table_name_23 WHERE date = "5 may 1943" AND nationality = "united kingdom" AND sunk_by… = "u-266" AND casualties = "0"