Question: who is the girl who sang with eminem on saturday night live
[{'answer': 'Grey', 'provenance': [{'wikipedia_id': '3285317', 'title': 'Skylar Grey', 'start_paragraph_id': 0, 'start_character': 7, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3285317', 'title': 'Skylar Grey', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 971, 'bleu_score': 0.8879598311736581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14199350510462988195}, 'section': 'Section::::Life and career.:2015–17: "Natural Causes" and soundtracks.\n'}]}]