Question: flu that spread over a large area in 1918
[{'answer': 'H1N1 influenza virus', 'provenance': [{'wikipedia_id': '198796', 'title': 'Spanish flu', 'start_paragraph_id': 1, 'start_character': 179, 'end_paragraph_id': 1, 'end_character': 199, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '198796', 'title': 'Spanish flu', 'start_paragraph_id': 1, 'start_character': 19, 'end_paragraph_id': 1, 'end_character': 490, 'bleu_score': 0.8122268003275591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6022291409808508006}, 'section': 'Section::::Abstract.'}]}]