Asyla, Op.
 17, is an orchestral composition by the British composer Thomas Adès.
 It was finished in 1997 and has been performed widely, especially by the British conductor Simon Rattle.
 It has been described as a symphony, the third movement being its unacknowledged scherzo.
Thomas Adès (born 1 March 1971) is a British composer, pianist and conductor.

Question: When was the composer of Asyla born?
Answer: 1 March 1971