Question: who used a question and answer format when teaching
[{'answer': 'Socrates', 'provenance': [{'wikipedia_id': '49892', 'title': 'Socratic method', 'start_paragraph_id': 1, 'start_character': 561, 'end_paragraph_id': 1, 'end_character': 569, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '49892', 'title': 'Socratic method', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 773, 'bleu_score': 0.9157413624806651, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2917969481193434307}, 'section': 'Section::::Abstract.'}]}]