Question: who has the fastest bullet train in the world
[{'answer': 'Shanghai Maglev Train', 'provenance': [{'wikipedia_id': '50378', 'title': 'High-speed rail', 'start_paragraph_id': 232, 'start_character': 4, 'end_paragraph_id': 232, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Records.:Speed.:Maximum speed in service.:Levitation trains.\n'}]}, {'provenance': [{'wikipedia_id': '50378', 'title': 'High-speed rail', 'start_paragraph_id': 110, 'start_character': 0, 'end_paragraph_id': 110, 'end_character': 491, 'bleu_score': 0.5000569501104271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16335653051998804818}, 'section': 'Section::::History.:Expansion in East Asia.:The Chinese CRH.\n'}]}]