In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
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Question: Context: Samuel James "Sam" Ervin Jr. (September 27, 1896April 23, 1985) Link Information: Ervin was a legal defender of the Jim Crow laws Question: How old was Ervin when enforcement of the Jim Crow laws ended?

Answer: Answer: 69

Question: Context: Jacques Rivette Link Information: He wrote and directed twenty feature films, including the two-part Joan the Maiden Question: Where did the director of Joan the Maiden attend school?

Answer: Answer: Sorbonne

Question: Context: he won the New South Wales Touring Car Championship at Catalina Park. Link Information: The 2.1km circuit opened on 12 February 1961 Question: How long is the Catalina Park Circuit?

Answer:
Answer: 2.1km