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.

Q: Context : ``Restful Place'' focuses on a curved limestone bench and above it is an arched bronze and glass canopy. 
Answer : limestone

A: What is the surface of Restful Place made of?
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Q: Context : The naval Battle off Ulsan (Japanese: 蔚山沖海戦 Urusan'oki kaisen; Russian: Бой в Корейском проливе, 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

A: What is the date when Battle off Ulsan happened?
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Q: Context : Emmer Bowen (October 10, 1830 -- December 26, 1912) was a Union Army soldier during the American Civil War. 
Answer : American Civil War

A:
What conflict involved Emmer Bowen?
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