Question: who showed that poor diet could result in scurvy
[{'answer': 'James Lind', 'provenance': [{'wikipedia_id': '28266', 'title': 'Scurvy', 'start_paragraph_id': 4, 'start_character': 457, 'end_paragraph_id': 4, 'end_character': 467, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]