Question: who participated in the battle of lexington and concord
[{'answer': 'Massachusetts Bay', 'provenance': [{'wikipedia_id': '4321886', 'title': 'Battles of Lexington and Concord', 'start_paragraph_id': 1, 'start_character': 183, 'end_paragraph_id': 1, 'end_character': 200, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Great Britain', 'provenance': [{'wikipedia_id': '4321886', 'title': 'Battles of Lexington and Concord', 'start_paragraph_id': 1, 'start_character': 366, 'end_paragraph_id': 1, 'end_character': 379, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]