Question: which composer was a member of the russian five
[{'answer': 'Mily Balakirev', 'provenance': [{'wikipedia_id': '2350676', 'title': 'List of Russian composers', 'start_paragraph_id': 4, 'start_character': 12, 'end_paragraph_id': 4, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::The Five.\n'}]}, {'answer': 'Alexander Borodin', 'provenance': [{'wikipedia_id': '2350676', 'title': 'List of Russian composers', 'start_paragraph_id': 5, 'start_character': 12, 'end_paragraph_id': 5, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::The Five.\n'}]}, {'answer': 'César Cui', 'provenance': [{'wikipedia_id': '2350676', 'title': 'List of Russian composers', 'start_paragraph_id': 6, 'start_character': 12, 'end_paragraph_id': 6, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::The Five.\n'}]}, {'answer': 'Modest Mussorgsky', 'provenance': [{'wikipedia_id': '2350676', 'title': 'List of Russian composers', 'start_paragraph_id': 7, 'start_character': 12, 'end_paragraph_id': 7, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::The Five.\n'}]}, {'answer': 'Nikolai Rimsky - Korsakov'}]