Question: when and where did the first battle of the american revolution take place
[{'answer': 'April 19 , 1775', 'provenance': [{'wikipedia_id': '4321886', 'title': 'Battles of Lexington and Concord', 'start_paragraph_id': 36, 'start_character': 180, 'end_paragraph_id': 36, 'end_character': 195, 'bleu_score': 1.0, 'section': 'Section::::The Battles.:Lexington.\n'}]}, {'answer': 'in Middlesex County , Province of Massachusetts Bay , within the towns of Lexington , Concord , Lincoln , Menotomy ( present - day Arlington ) , and Cambridge'}, {'provenance': [{'wikipedia_id': '4321886', 'title': 'Battles of Lexington and Concord', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 416, 'bleu_score': 0.9684940092844061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16857781677656265644}, 'section': 'Section::::Abstract.'}]}]