Question: Who is the internationally renowned solo violinist and recording artist (born in 1954) who performed at the Edward Boyle Memorial Concert 1983 along with an English mezzo-soprano born in 1933 and best known as an opera, concert, and lieder singer?
{'answer': 'Vanya Milanova', 'supporting_facts': [['Vanya Milanova', 0], ['Vanya Milanova', 1], ['Vanya Milanova', 11], ['Janet Baker', 0]]}