Question: who sings the song what's it gonna be
[{'answer': 'Beyoncé', 'provenance': [{'wikipedia_id': '50921371', 'title': "What's It Gonna Be (Beyoncé song)", 'start_paragraph_id': 0, 'start_character': 20, 'end_paragraph_id': 0, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50921371', 'title': "What's It Gonna Be (Beyoncé song)", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 469, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1666768898471287436}, 'section': 'Section::::Abstract.'}]}]