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.

Albert Speer was a 2000 play by the British playwright David Edgar on the life of the Nazi-era architect Albert Speer, based on the book "Albert Speer: His Battle with Truth" by Gitta Sereny. It premiered that year at the Lyttelton auditorium of the Royal National Theatre, with the title role played by Alex Jennings and the role of Hitler played by Roger Allam. Question: What Austrian-British biographer, historian, and investigative journalist's book Albert Speer: His Battle with Truth" was the basis for the 2000 play Albert Speer? Answer: Gitta Sereny
Albert Speer was a 2000 play by the British playwright David Edgar on the life of the Naziera architect Albert Speer, based on the book Albert Speer: His Battle with Truth by Gitta Sereny.