Question: when did islam split between sunni and shiite
[{'answer': '632AD'}, {'provenance': [{'wikipedia_id': '9761047', 'title': 'Shia–Sunni relations', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 547, 'bleu_score': 0.800072492202173, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13877389137662118494}, 'section': 'Section::::Abstract.'}]}]