Question: who sang the original i'm every woman
[{'answer': 'Chaka Khan', 'provenance': [{'wikipedia_id': '2539401', 'title': "I'm Every Woman", 'start_paragraph_id': 1, 'start_character': 62, 'end_paragraph_id': 1, 'end_character': 72, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2539401', 'title': "I'm Every Woman", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 479, 'bleu_score': 0.8711200546998621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1983913816915380824}, 'section': 'Section::::Abstract.'}]}]