Question: who has the most military bases in the world
[{'answer': 'United States', 'provenance': [{'wikipedia_id': '38583341', 'title': 'List of countries with overseas military bases', 'start_paragraph_id': 3, 'start_character': 873, 'end_paragraph_id': 3, 'end_character': 886, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '38583341', 'title': 'List of countries with overseas military bases', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 273, 'bleu_score': 0.9000283069718911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10942523662093734783}, 'section': 'Section::::Background.\n'}]}]