Question: who sings the song uptown funk you up
[{'answer': 'Bruno Mars', 'provenance': [{'wikipedia_id': '44377954', 'title': 'Uptown Funk', 'start_paragraph_id': 1, 'start_character': 158, 'end_paragraph_id': 1, 'end_character': 168, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]