Question: where did the first balkan war take place
[{'answer': 'Bulgaria', 'provenance': [{'wikipedia_id': '294429', 'title': 'First Balkan War', 'start_paragraph_id': 1, 'start_character': 150, 'end_paragraph_id': 1, 'end_character': 158, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Serbia', 'provenance': [{'wikipedia_id': '294429', 'title': 'First Balkan War', 'start_paragraph_id': 1, 'start_character': 160, 'end_paragraph_id': 1, 'end_character': 166, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Greece', 'provenance': [{'wikipedia_id': '294429', 'title': 'First Balkan War', 'start_paragraph_id': 1, 'start_character': 168, 'end_paragraph_id': 1, 'end_character': 174, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Montenegro', 'provenance': [{'wikipedia_id': '294429', 'title': 'First Balkan War', 'start_paragraph_id': 1, 'start_character': 179, 'end_paragraph_id': 1, 'end_character': 189, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '294429', 'title': 'First Balkan War', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 367, 'bleu_score': 0.7064255372038291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15164110155539531040}, 'section': 'Section::::Abstract.'}]}]