Question: who sang at the end of the rainbow
[{'answer': 'Earl Grant .', 'provenance': [{'wikipedia_id': '24581551', 'title': 'The End (Earl Grant song)', 'start_paragraph_id': 1, 'start_character': 134, 'end_paragraph_id': 1, 'end_character': 151, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24581551', 'title': 'The End (Earl Grant song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 480, 'bleu_score': 0.978138775770484, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13370951967309168331}, 'section': 'Section::::Abstract.'}]}]