Question: who is the author of the science book experiments and observations on electricity published in 1751
[{'answer': 'Benjamin Franklin', 'provenance': [{'wikipedia_id': '47218937', 'title': 'Experiments and Observations on Electricity', 'start_paragraph_id': 35, 'start_character': 0, 'end_paragraph_id': 35, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Legacy.\n'}]}]