Question: where did the battle of roberts ridge take place
[{'answer': 'Takur Ghar mountain in Afghanistan', 'provenance': [{'wikipedia_id': '8571476', 'title': 'Battle of Takur Ghar', 'start_paragraph_id': 1, 'start_character': 168, 'end_paragraph_id': 1, 'end_character': 202, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8571476', 'title': 'Battle of Takur Ghar', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 751, 'bleu_score': 0.984188478234951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10090328662159124452}, 'section': 'Section::::Abstract.'}]}]