Question: who sang the song somewhere over the rainbow
[{'answer': 'Judy Garland', 'provenance': [{'wikipedia_id': '475235', 'title': 'Over the Rainbow', 'start_paragraph_id': 1, 'start_character': 156, 'end_paragraph_id': 1, 'end_character': 168, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '475235', 'title': 'Over the Rainbow', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 290, 'bleu_score': 0.6950912918651201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10130664713807093991}, 'section': 'Section::::Abstract.'}]}]