Question: public relations pioneer was responsible for the 1929 torches of liberty
[{'answer': 'Edward Bernays', 'provenance': [{'wikipedia_id': '27148981', 'title': 'Torches of Freedom', 'start_paragraph_id': 1, 'start_character': 396, 'end_paragraph_id': 1, 'end_character': 410, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27148981', 'title': 'Torches of Freedom', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 1786, 'bleu_score': 0.9855339770189541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13786244715937546052}, 'section': 'Section::::History.:Advertising to women.\n'}]}]