Question: who was the ruler of the ottoman empire in 1914
[{'answer': 'Mehmed I', 'provenance': [{'wikipedia_id': '20427700', 'title': 'List of sultans of the Ottoman Empire', 'start_paragraph_id': 1, 'start_character': 636, 'end_paragraph_id': 1, 'end_character': 644, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]