Question: when did the song somewhere over the rainbow come out
[{'answer': '1939', 'provenance': [{'wikipedia_id': '475235', 'title': 'Over the Rainbow', 'start_paragraph_id': 7, 'start_character': 124, 'end_paragraph_id': 7, 'end_character': 128, 'bleu_score': 1.0, 'section': 'Section::::Recordings by Judy Garland.\n'}]}]