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: Martial law in Thailand derives statutory authority from the Act promulgated by King Vajiravudh Link Information: Martial law in Thailand derives statutory authority from the Act promulgated by King Vajiravudh Question: Where was the person born who promulgated the act that gives statutory authority to martial law in Thailand?

Answer: Answer: Siam

Question: Context: Swimmers Zane Jordan and Jade Ashleigh Howard qualified for the Games Link Information:

Zane Jordan (born 18 July 1991 in Mufulira, Zambia) is an Olympic swimmer from Zambia. He swam for Zambia at the 2008 Olympics, finishing 65th in the 50 Freestyle and at the 2012 Summer Olympics, finishing 41st in the 100 backstroke. Question: In what events did Zambia's two swimmers at the 2012 Summer Olympics compete?

Answer:
Answer: 100 backstroke