Question: who sings in the middle of the night
[{'answer': 'The Vamps', 'provenance': [{'wikipedia_id': '53856888', 'title': 'Middle of the Night (song)', 'start_paragraph_id': 1, 'start_character': 48, 'end_paragraph_id': 1, 'end_character': 57, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53856888', 'title': 'Middle of the Night (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 348, 'bleu_score': 0.8865168578990571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14916466544845339628}, 'section': 'Section::::Abstract.'}]}]