Question: how long is a single bed in meters
[{'answer': '191 cm', 'provenance': [{'wikipedia_id': '883640', 'title': 'Bed size', 'start_paragraph_id': 118, 'start_character': 44, 'end_paragraph_id': 118, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Asia.:Indonesia, Singapore, and Malaysia.\n'}]}]