Question: who sang hooked on a feeling ooga chaka
[{'answer': 'Blue Swede', 'provenance': [{'wikipedia_id': '4755515', 'title': 'Hooked on a Feeling', 'start_paragraph_id': 1, 'start_character': 271, 'end_paragraph_id': 1, 'end_character': 281, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4755515', 'title': 'Hooked on a Feeling', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 567, 'bleu_score': 0.911661996833056, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11080542503580495212}, 'section': 'Section::::Abstract.'}]}]