Question: who led the rebuilding of the walls of jerusalem
[{'answer': 'Nehemiah', 'provenance': [{'wikipedia_id': '3137245', 'title': 'Nehemiah', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3137245', 'title': 'Nehemiah', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 869, 'bleu_score': 0.9652205951026711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8237695454383047285}, 'section': 'Section::::Book of Nehemiah.\n'}]}]