You are given the conttent of a table in the input (row by row). Generate an unambiguous question based on the information present in the table, such that: 1) It's answer is unique and is in the given table, 2) Its answer is a contiguous text span from the table. Avoid creating questions that can be answered correctly without reading/understanding the table
Q: Table: ['Date', 'Number', 'Type', 'Captain', 'Casualties', 'Sunk by']. ['4 May 1943', 'U-209', 'VIIC', 'Heinrich Brodda', '46', 'Catalina Flying-boat of No. 5 Squadron RCAF']. ['5 May 1943', 'U-638', 'VIIC', 'Oskar Staudinger', '44', 'HMS Sunflower']. ['5 May 1943', 'U-531', 'IXC/40', 'Herbert Neckel', '54', 'HMS Vidette']. ['6 May 1943', 'U-192', 'IXC/40', 'Werner Happe', '55', 'HMS Loosestrife']. ['6 May 1943', 'U-125', 'IXC', 'Ulrich Folkers', '54', 'HMS Oribi, HMS Snowflake']. ['6 May 1943', 'U-630', 'VIIC', 'Werner Winkler', '47', 'HMS Vidette']. ['6 May 1943', 'U-438', 'VIIC', 'Heinrich Hensohn', '48', 'HMS Pelican']
A:
what boats were lost on may 5?