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.
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Question: Context : USS Susan Ann Howard (1863) was a schooner requisitioned from the prize court by the Union Navy during the Union blockade of the American Civil War. 
Answer : American Civil War

Answer: What war did USS Susan Ann Howard (1863) fight in?


Question: Context : Tom Kühnhackl (born 21 January 1992) is a German ice hockey right winger who currently plays for the Pittsburgh Penguins of the National Hockey League (NHL). 
Answer : Pittsburgh Penguins

Answer: What team is Tom Kühnhackl associated with?


Question: Context : The Trethewey Mine is an abandoned silver mine in Cobalt, Ontario, Canada, located northwest of the Coniagas Mine near Sasaginaga Lake. 
Answer : silver

Answer:
The product of Trethewey Mine is what?