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: In 2000 Liao made his debut at the Washington National Opera Link Information: In 2000 Liao made his debut at the Washington National Opera Question: How long had the Kennedy Center been standing by the year Liao made his debut at the Washington National Opera?

Answer: Answer: 29


Question: Context: Chicago head coach Joel Quenneville moved Kane to the Blackhawks' top line alongside Jonathan Toews and Brandon Saad Link Information: none Question: How many goals did Brandon Saad score during the 2104-15 season?

Answer: Answer: none


Question: Context: The Opolski Prince, Casimir (1229/30) of the Piasts is said to have conquered that fortalice Link Information: The Piast dynasty was the first historical ruling dynasty of Poland. Question: Which country was Casimir from when he took the Bielsko-Biała Castle?

Answer:
Answer: Poland