Generate a correct and concise answer for the question based on the words in the context.
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Question: Context : Rytis Vaisvila (born May 23, 1971 in Klaipeda, Lithuania) is a retired Lithuanian basketball player and coach.
Question : What was Rytis Vaisvila's career?

Answer: basketball player

Question: Context : Sigmund Selberg (11 August 1910 -- 20 April 1994) was a Norwegian mathematician.
Question : What was Sigmund Selberg's occupation?

Answer: mathematician

Question: Context : The Battle of Paju (Estonian: Paju lahing) was fought in Paju, near Valga, Estonia, on 31 January 1919 during the Estonian War of Independence.
Question : What is the date when Battle of Paju happened?

Answer:
31 January 1919