Question: when did diamonds are a girl's best friend come out
[{'answer': '1949', 'provenance': [{'wikipedia_id': '5095185', 'title': "Diamonds Are a Girl's Best Friend", 'start_paragraph_id': 1, 'start_character': 147, 'end_paragraph_id': 1, 'end_character': 151, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5095185', 'title': "Diamonds Are a Girl's Best Friend", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 238, 'bleu_score': 0.953991849837532, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4208716022459261953}, 'section': 'Section::::Abstract.'}]}]