Question: who were the two sides in the english civil war
[{'answer': 'Royalists', 'provenance': [{'wikipedia_id': '9709', 'title': 'English Civil War', 'start_paragraph_id': 1, 'start_character': 137, 'end_paragraph_id': 1, 'end_character': 146, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Parliamentarians', 'provenance': [{'wikipedia_id': '9709', 'title': 'English Civil War', 'start_paragraph_id': 1, 'start_character': 101, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]