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: The authorities suspected that Oerter had somehow been involved in Alexander Berkman's attempt to assassinate a wealthy businessman called Henry Clay Frick. Link Information: 

Henry Clay Frick (December 19, 1849 – December 2, 1919) Question: What year was the wealthy businessman that Berkman tried to assassinate born?

Answer: Answer: 1849 


Question: Context: Her R&B-influenced debut studio album Can't Take Me Home (2000) was certified double-platinum in the United States Link Information: n 1989, the sales thresholds for singles were reduced to 500,000 for Gold and 1,000,000 for Platinum, Question: How many albums needs to be sold to be considered double platinum?

Answer: Answer: 1000000


Question: Context: Charles F. Dowd proposed four time zones Link Information: Sandford Fleming, Question: Of the people who proposed different time zones before William Allen, who lived the longest?

Answer:
Answer: Sandford Fleming