Question: why did disease and death spread early in jamestown
[{'answer': 'the diseases were new', 'provenance': [{'wikipedia_id': '20500045', 'title': 'Disease in colonial America', 'start_paragraph_id': 1, 'start_character': 112, 'end_paragraph_id': 1, 'end_character': 133, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'treatments were ineffective', 'provenance': [{'wikipedia_id': '20500045', 'title': 'Disease in colonial America', 'start_paragraph_id': 1, 'start_character': 138, 'end_paragraph_id': 1, 'end_character': 165, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20500045', 'title': 'Disease in colonial America', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1228, 'bleu_score': 0.9892757519056121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15927637378754699111}, 'section': 'Section::::Abstract.'}]}]