Instructions: 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'.
Input: Context: In 1949 through the painter Leonor Fini he was introduced to the choreographer and ballet dancer Roland Petit; out of this grew the ballet Le combat ("The Duel"), which had its first original production in London in 1949 Link Information: Leonor Fini (August 30, 1907 January 18, 1996) Question: What were the combined ages of Leonor Fini and Roland Petit the year that the ballet Le combat ("The Duel"), which had its first original production in London?
Output:
Answer: 67