Question: what is the name of the highest summit of nilgiri hills
[{'answer': 'Doddabetta', 'provenance': [{'wikipedia_id': '8098769', 'title': 'Nilgiri Mountains', 'start_paragraph_id': 1, 'start_character': 173, 'end_paragraph_id': 1, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8098769', 'title': 'Nilgiri Mountains', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 187, 'bleu_score': 0.5629061520561971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3547726884628943340}, 'section': 'Section::::Abstract.'}]}]