Question: which is the other name that mount k2 is known by
[{'answer': 'Mount Godwin - Austen', 'provenance': [{'wikipedia_id': '17359', 'title': 'K2', 'start_paragraph_id': 7, 'start_character': 50, 'end_paragraph_id': 7, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Name.\n'}]}, {'answer': 'Chhogori', 'provenance': [{'wikipedia_id': '17359', 'title': 'K2', 'start_paragraph_id': 1, 'start_character': 54, 'end_paragraph_id': 1, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17359', 'title': 'K2', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 507, 'bleu_score': 0.8913786545347331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17934623756391089507}, 'section': 'Section::::Abstract.'}]}]