Question: who sings please come to boston for the springtime
[{'answer': 'Dave Loggins', 'provenance': [{'wikipedia_id': '12840858', 'title': 'Please Come to Boston', 'start_paragraph_id': 1, 'start_character': 94, 'end_paragraph_id': 1, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]