Question: what is considered to be the first musical in western musical theatre
[{'answer': 'The Siege of Rhodes', 'provenance': [{'wikipedia_id': '20572', 'title': 'Musical theatre', 'start_paragraph_id': 22, 'start_character': 607, 'end_paragraph_id': 22, 'end_character': 626, 'bleu_score': 1.0, 'section': 'Section::::History.:Early antecedents of musical theatre.\n'}]}, {'provenance': [{'wikipedia_id': '20572', 'title': 'Musical theatre', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 918, 'bleu_score': 0.9855586187885531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17864292740940782955}, 'section': 'Section::::History.:Early antecedents of musical theatre.\n'}]}]