Question: what is the length and width of a acre
[{'answer': '66 by 660 feet', 'provenance': [{'wikipedia_id': '1797', 'title': 'Acre', 'start_paragraph_id': 1, 'start_character': 148, 'end_paragraph_id': 1, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1797', 'title': 'Acre', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 302, 'bleu_score': 0.6963099462059951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4836403554051612721}, 'section': 'Section::::Abstract.'}]}]