Question: why did the battle of rhode island happen
[{'answer': 'August 29 , 1778', 'provenance': [{'wikipedia_id': '3723555', 'title': 'Battle of Rhode Island', 'start_paragraph_id': 1, 'start_character': 109, 'end_paragraph_id': 1, 'end_character': 125, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3723555', 'title': 'Battle of Rhode Island', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 660, 'bleu_score': 0.9812185674664711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11003510277279234939}, 'section': 'Section::::Abstract.'}]}]