Question: what is the name of the boundary line between india and china
[{'answer': 'The McMahon Line', 'provenance': [{'wikipedia_id': '345180', 'title': 'McMahon Line', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '345180', 'title': 'McMahon Line', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 377, 'bleu_score': 0.6419379721351991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4629727185490297019}, 'section': 'Section::::Abstract.'}]}]