Question: who determined there is an electrical force holding substances together
[{'answer': 'Sir Isaac Newton', 'provenance': [{'wikipedia_id': '5993', 'title': 'Chemical bond', 'start_paragraph_id': 12, 'start_character': 194, 'end_paragraph_id': 12, 'end_character': 210, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '5993', 'title': 'Chemical bond', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 846, 'bleu_score': 0.985238839858627, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2676427299375947094}, 'section': 'Section::::History.\n'}]}]