Question: which type of hepatitis is responsible for 50 to 76 of all patients with liver cancer
[{'answer': 'hepatitis C', 'provenance': [{'wikipedia_id': '12284396', 'title': 'Liver cancer', 'start_paragraph_id': 2, 'start_character': 67, 'end_paragraph_id': 2, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Hepatitis B', 'provenance': [{'wikipedia_id': '12284396', 'title': 'Liver cancer', 'start_paragraph_id': 9, 'start_character': 55, 'end_paragraph_id': 9, 'end_character': 66, 'bleu_score': 1.0, 'section': 'Section::::Causes.:Viral infection.\n'}]}, {'provenance': [{'wikipedia_id': '12284396', 'title': 'Liver cancer', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 808, 'bleu_score': 0.933071024450239, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7932137635554775657}, 'section': 'Section::::Causes.:Viral infection.\n'}]}]