Question: the earliest ideas of charge were the result of experiments by
[{'answer': 'Stephen Gray', 'provenance': [{'wikipedia_id': '5951576', 'title': 'History of electromagnetic theory', 'start_paragraph_id': 28, 'start_character': 9, 'end_paragraph_id': 28, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::18th century.:Electrics and non-electrics.\n'}]}, {'provenance': [{'wikipedia_id': '5951576', 'title': 'History of electromagnetic theory', 'start_paragraph_id': 28, 'start_character': 0, 'end_paragraph_id': 28, 'end_character': 842, 'bleu_score': 0.8993958385347001, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17035913619813866499}, 'section': 'Section::::18th century.:Electrics and non-electrics.\n'}]}]