Question: how fast can a human run in km/h
[{'answer': '44.72 km / h', 'provenance': [{'wikipedia_id': '13577914', 'title': 'Footspeed', 'start_paragraph_id': 6, 'start_character': 15, 'end_paragraph_id': 6, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Limits of speed.\n'}]}, {'provenance': [{'wikipedia_id': '13577914', 'title': 'Footspeed', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 526, 'bleu_score': 0.617605747640773, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3424778953336097230}, 'section': 'Section::::Limits of speed.\n'}]}]