Instructions: In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Input: Iannis Xenakis (Greek: () ] ; 29 May 1922 4 February 2001) was a Romanian-born, Greek-French composer, music theorist, architect, and engineer. After 1947, he fled Greece, becoming a naturalized citizen of France. He is considered an important post-World War II composer whose works helped revolutionize 20th century classical music. Question: To what country did Iannis Xenakis flee in the same year that Mark Kidel was born? Answer: France.
Output:
After 1947, he fled Greece, becoming a naturalized citizen of France.