Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : ''The Next Witness'' is a Nero Wolfe mystery novella by Rex Stout, first published as ''The Last Witness'' in the May 1955 issue of The American Magazine.
Answer : Nero Wolfe
The The Next Witness has what character?

Context : Uganda Airlines Flight 775 was a Boeing 707-338C, registration 5X-UBC, that crashed while attempting to land at Roma-Fiumicino Airport in Rome, Italy on 17 October 1988.
Answer : 17 October 1988
What was the date of Uganda Airlines Flight 775?

Context : The naval Battle off Ulsan (Japanese: Urusan'oki kaisen; Russian: , Boi v Koreiskom prolive), also known as the Battle of the Japanese Sea or Battle of the Korean Strait, took place on 14 August 1904 between cruiser squadrons of the Imperial Russian Navy and the Imperial Japanese Navy during the Russo-Japanese War, four days after the Battle of the Yellow Sea.
Answer : 14 August 1904
What is the date when Battle off Ulsan happened?