Question: which composer’s masterpiece is the four seasons
[{'answer': 'Antonio Lucio Vivaldi', 'provenance': [{'wikipedia_id': '1425', 'title': 'Antonio Vivaldi', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1425', 'title': 'Antonio Vivaldi', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 548, 'bleu_score': 0.8407857548562051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 289907651316597423}, 'section': 'Section::::Abstract.'}]}]