Question: an english measure of length equivalent to 12 inches
[{'answer': 'foot', 'provenance': [{'wikipedia_id': '2224213', 'title': 'English units', 'start_paragraph_id': 6, 'start_character': 251, 'end_paragraph_id': 6, 'end_character': 255, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '2224213', 'title': 'English units', 'start_paragraph_id': 51, 'start_character': 0, 'end_paragraph_id': 51, 'end_character': 344, 'bleu_score': 0.805985618737283, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15181477134250419709}, 'section': 'Section::::Length.\n'}]}]