Question: when did the song singing in the rain come out
[{'answer': '1929', 'provenance': [{'wikipedia_id': '1883151', 'title': "Singin' in the Rain (song)", 'start_paragraph_id': 1, 'start_character': 104, 'end_paragraph_id': 1, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1883151', 'title': "Singin' in the Rain (song)", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 108, 'bleu_score': 0.9067110266941041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3590535235319197315}, 'section': 'Section::::Abstract.'}]}]