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 main reasons for Cleveland's return into politics were his desire to prevent New York Governor David B. Hill (a political rival of Cleveland's Link Information: David Bennett Hill (August 29, 1843 Question: When was the New York Governor and Grover Cleveland's rival born?

Answer: Answer: August 29, 1843


Question: Context: A more powerful engine was added to the second prototype, and a single 7.92 mm (.312 in) MG 15 machine gun for the rear seat was added to the third prototype. Link Information: he World War II MG 15 was used in nearly all Luftwaffe aircraft with a flexible-mount defensive position. Question: What other planes were fitted with the MG 15?

Answer: Answer: nearly all Luftwaffe aircraft with a flexible-mount defensive position


Question: Context: With improvements in infrared telescopy atop Mount Wilson, Mount Locke and Mauna Kea Link Information: none Question: When was the technology used at Mount Wilson, Mount Locke, and Mauna Kea invented?

Answer:
Answer: none