Question: who is the original singer of sweet child of mine
[{'answer': "Guns N ' Roses", 'provenance': [{'wikipedia_id': '625359', 'title': "Sweet Child o' Mine", 'start_paragraph_id': 15, 'start_character': 741, 'end_paragraph_id': 15, 'end_character': 759, 'bleu_score': 1.0, 'section': 'Section::::Australian Crawl controversy.\n'}]}, {'provenance': [{'wikipedia_id': '625359', 'title': "Sweet Child o' Mine", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 528, 'bleu_score': 0.9545695715275291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7604985878946705473}, 'section': 'Section::::Abstract.'}]}]