instruction:
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'.
question:
Context: His son William Frederick Havemeyer, retired from the sugar refining business in 1842 Link Information: William Frederick Havemeyer (February 12, 1804 – November 30, 1874)  Question: How old was William Havemeyer's son when he retired from the sugar refining business?
answer:
Answer: 38


question:
Context: Many prefabricated concrete structures, common in the former Warsaw Pact countries, were modernized Link Information: none Question: What countries were part of the pact that saw prefabricated concrete structures modernized?
answer:
Answer: none


question:
Context: These operations were continued by the Romans, after the area had been incorporated into the Noricum province in 15 BC. Link Information: These operations were continued by the Romans, after the area had been incorporated into the Noricum province in 15 BC.  Question: Who governed Noricum after the Romans turned it into a province?
answer:

Answer: Emperor Claudius