Question: how many scenes are on the bayeux tapestry
[{'answer': 'fifty'}, {'provenance': [{'wikipedia_id': '49451', 'title': 'Bayeux Tapestry', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 455, 'bleu_score': 0.7376277891762301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5298318404771894719}, 'section': 'Section::::Abstract.'}]}]