Question: when did the doctrine of original sin begin
[{'answer': '2nd century', 'provenance': [{'wikipedia_id': '22735', 'title': 'Original sin', 'start_paragraph_id': 2, 'start_character': 56, 'end_paragraph_id': 2, 'end_character': 67, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22735', 'title': 'Original sin', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 870, 'bleu_score': 0.751842556904145, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11562539175412667279}, 'section': 'Section::::Abstract.'}]}]