Question: where did world war 1 start what country
[{'answer': 'Austria - Hungary', 'provenance': [{'wikipedia_id': '4764461', 'title': 'World War I', 'start_paragraph_id': 315, 'start_character': 496, 'end_paragraph_id': 315, 'end_character': 515, 'bleu_score': 1.0, 'section': 'Section::::Legacy and memory.:Economic effects.\n'}]}]