Question: the silk road stretched from the yellow river across asia as far west as the
[{'answer': 'Korean peninsula', 'provenance': [{'wikipedia_id': '54253', 'title': 'Silk Road', 'start_paragraph_id': 34, 'start_character': 630, 'end_paragraph_id': 34, 'end_character': 646, 'bleu_score': 1.0, 'section': 'Section::::Evolution.:Roman Empire (30 BCE-3rd century).\n'}]}, {'answer': 'Japan', 'provenance': [{'wikipedia_id': '54253', 'title': 'Silk Road', 'start_paragraph_id': 3, 'start_character': 103, 'end_paragraph_id': 3, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Mediterranean Sea'}]