Question: the twentieth-century american composer associated with the golden age of musical theatre is
[{'answer': 'Rodgers and Hammerstein', 'provenance': [{'wikipedia_id': '20572', 'title': 'Musical theatre', 'start_paragraph_id': 47, 'start_character': 0, 'end_paragraph_id': 47, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::History.:The Golden Age (1940s to 1960s).:1940s.\n'}]}, {'provenance': [{'wikipedia_id': '20572', 'title': 'Musical theatre', 'start_paragraph_id': 49, 'start_character': 0, 'end_paragraph_id': 49, 'end_character': 1750, 'bleu_score': 0.972208149315909, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10708350925183944229}, 'section': 'Section::::History.:The Golden Age (1940s to 1960s).:1940s.\n'}]}]