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'.

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?
Answer: 30

Context: She met her future husband, petroleum geologist Theron Wasson, whom she married in 1920 Link Information: Bassett worked for the Sperry Gyroscope Company for his whole career Question: Where did Preston Bassett work the year his sister got married?
Answer: Sperry Gyroscope Company

Context: where they remained as the business grew to acquire a commanding share of the United States sugar refining market under the leadership of Frederick's grandson, Henry Osborne Havemeyer. Link Information: William Havemeyer (1770-1851) Question: What age was Henry when his grandfather died?

Answer: 4