Question: who sings the song that's what i like
[{'answer': 'Bruno Mars', 'provenance': [{'wikipedia_id': '52290689', 'title': "That's What I Like (Bruno Mars song)", 'start_paragraph_id': 0, 'start_character': 20, 'end_paragraph_id': 0, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]