Question: where did hadrian's wall start and end
[{'answer': 'from Wallsend', 'provenance': [{'wikipedia_id': '2560624', 'title': "Hadrian's Wall Path", 'start_paragraph_id': 1, 'start_character': 137, 'end_paragraph_id': 1, 'end_character': 150, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'to Bowness - on - Solway'}, {'provenance': [{'wikipedia_id': '2560624', 'title': "Hadrian's Wall Path", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 457, 'bleu_score': 0.9177759077564911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11649970307870825861}, 'section': 'Section::::Abstract.'}]}]