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 kokubun-ji was first excavated in 1949, and is on a plateau above the Yōrō River in close proximity to Tokyo Bay. Link Information: none Question: What ocean is Tokyo bay located?

A: Answer: none
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Q: Context: worked as an assistant director at Elstree Studios for the British espionage/science fiction adventure series The Champions. Link Information: consists of 30 episodes broadcast on the UK network ITV during 1968–1969. Question: What years did the show run for that Loevy was an assistant director on?

A: Answer: 1968–1969
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Q: Context: This treaty had ended the War of the Cities or Thirteen Years' War and provided for the Order's cession of its rights over the western half of its territories to the Polish crown Link Information:  This treaty had ended the War of the Cities or Thirteen Years' War and provided for the Order's cession of its rights over the western half of its territories to the Polish crown, which became the province of Royal Prussia Question: How long did the war that ended with the Teutonic Order conceding territorial rights to the Polish crown last?

A:
Answer: Thirteen Years
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