Question: who sings the song let's get loud
[{'answer': 'Jennifer Lopez', 'provenance': [{'wikipedia_id': '2769302', 'title': "Let's Get Loud", 'start_paragraph_id': 1, 'start_character': 55, 'end_paragraph_id': 1, 'end_character': 69, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]