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: Roycroft was born in 1946 as the second of three sons to Bill Roycroft, an Olympic equestrian gold medallist Link Information: After the war, they moved with their son Barry (born 1944) to a 200 ha soldier's block near Camperdown in western Victoria, where they set up a dairy farm. The couple had two further sons, Wayne (born 1946) and Clarke (born 1950).  Question: What are the names of the equestrian gold medallist's other sons?

Answer: Answer: Barry


Question: Context: The Poole Harbour area has been inhabited for at least 2,500 years. Link Information: Poole Harbour is a large natural harbour in Dorset, southern England,  Question: In what country is The Poole Harbour?

Answer: Answer: England


Question: Context: The image's origin is as part of The Realist magazine's Disneyland Memorial Orgy poster in May 1967 Link Information: The Realist was a pioneering magazine of "social-political-religious criticism and satire" Question: How long did the The Realist continue to publish after making the Disneyland Memorial Orgy poster?

Answer:
Answer: 34