Question: who said a journey of a thousand miles begins with a single step
[{'answer': 'ascribed to Laozi', 'provenance': [{'wikipedia_id': '11325939', 'title': 'A journey of a thousand miles begins with a single step', 'start_paragraph_id': 1, 'start_character': 180, 'end_paragraph_id': 1, 'end_character': 197, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11325939', 'title': 'A journey of a thousand miles begins with a single step', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 407, 'bleu_score': 0.734086973854943, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15267490546992769868}, 'section': 'Section::::Abstract.'}]}]