Question: county in europe the capital of which is belgrade
[{'answer': 'largest', 'provenance': [{'wikipedia_id': '55904', 'title': 'Belgrade', 'start_paragraph_id': 1, 'start_character': 38, 'end_paragraph_id': 1, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '55904', 'title': 'Belgrade', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 398, 'bleu_score': 0.5198236085456021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8245021373171996825}, 'section': 'Section::::Abstract.'}]}]