Question: who sings gotta keep your head up
[{'answer': 'Andy Grammer', 'provenance': [{'wikipedia_id': '32124786', 'title': 'Keep Your Head Up (Andy Grammer song)', 'start_paragraph_id': 0, 'start_character': 19, 'end_paragraph_id': 0, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]