TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : The ESO 3.6 m Telescope is an optical reflecting telescope run by the European Southern Observatory at La Silla Observatory, Chile since 1977, with a clear aperture of about 3.6 metres (140 in) and 8.6 m2 (93 sq ft) area.
Question : In which year was the service entry date for ESO 3.6 m Telescope?

SOLUTION: 1977

PROBLEM: Context : The Kano riot of 1953 refers to the riot, which broke out in the ancient city of Kano, located in Northern Nigeria, on 1 May 1953.
Question : The point in time of Kano riot of 1953 was what?

SOLUTION: 1 May 1953

PROBLEM: Context : William J. Archinal (June 3, 1840 -- May 10, 1919) was an American Civil War Union Army soldier who received the Medal of Honor for his actions at the Battle of Vicksburg.
Question : Which war was William J. Archinal a part of?

SOLUTION:
American Civil War