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'.

Q: Context: The Achaemenid Empire (550–330 BC), founded by Cyrus the Great, Link Information: The reign of Cyrus the Great lasted c. 30 years Question: What years did Cyrus the Great rule the Achaemenid Empire?

A: Answer: 30
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Q: Context: Bradley was later cast as the First Doctor William Hartnell Link Information: Hartnell played the first incarnation of the Doctor in Doctor Who, from 1963 to 1966. Question: What year did the original actor portray the character that Bradley was last cast as?

A: Answer: 1963 to 1966
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Q: Context: After an initial patrol through the Bay of Biscay to Gibraltar Link Information: The average depth is 1744 m and the greatest depth is 4735 m Question: How deep is the body of water where HMS Splendid conducted her initial patrol?

A:
Answer: 4735 m
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