İdil Biret is a famous Turkish pianist. She was born in Ankara in nineteen forty-one. She went to Paris at the age of seven and in nineteen fifty-seven, she started Paris Conservatory. She was awarded with "Gold Medal of Dinu Lipatti" in nineteen sixty-one and she became a national artist in nineteen seventy-one. Which date is NOT in the paragraph? A) 1947 B) 1961 C) 1957 D) 1971​