Question: who sang its been a long time coming
[{'answer': 'Boston', 'provenance': [{'wikipedia_id': '2289115', 'title': 'Foreplay/Long Time', 'start_paragraph_id': 1, 'start_character': 90, 'end_paragraph_id': 1, 'end_character': 96, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]