Question: where is gobi desert located on a map
[{'answer': 'northern and northwestern China'}, {'answer': 'southern Mongolia', 'provenance': [{'wikipedia_id': '23306833', 'title': 'Gobi Desert', 'start_paragraph_id': 11, 'start_character': 3, 'end_paragraph_id': 11, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Climate.\n'}]}, {'provenance': [{'wikipedia_id': '23306833', 'title': 'Gobi Desert', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 541, 'bleu_score': 0.90145615271413, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15317189623927447957}, 'section': 'Section::::Abstract.'}]}]