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: At the Atlanta Opera she stunned public and press in the title role of Puccini's Madama Butterfly. Link Information: none Question: In what year was the opera written that Kozlowska stunned public and press in the title role at the Atlanta Opera?
A: 
Answer: none