Question: where had electricity been put to use in the united states at the beginning of the twentieth century
[{'answer': 'Buffalo , New York', 'provenance': [{'wikipedia_id': '18179220', 'title': 'History of electric power transmission', 'start_paragraph_id': 37, 'start_character': 126, 'end_paragraph_id': 37, 'end_character': 144, 'bleu_score': 1.0, 'section': 'Section::::Early transmission.:Willamette Falls to Niagara Falls.\n'}]}, {'provenance': [{'wikipedia_id': '18179220', 'title': 'History of electric power transmission', 'start_paragraph_id': 37, 'start_character': 0, 'end_paragraph_id': 37, 'end_character': 284, 'bleu_score': 0.8463394808776471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11226177453672638986}, 'section': 'Section::::Early transmission.:Willamette Falls to Niagara Falls.\n'}]}]