Question: who was in charge of the lost colony
[{'answer': 'Sir Walter Raleigh', 'provenance': [{'wikipedia_id': '74547', 'title': 'Roanoke Colony', 'start_paragraph_id': 1, 'start_character': 269, 'end_paragraph_id': 1, 'end_character': 287, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '74547', 'title': 'Roanoke Colony', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 329, 'bleu_score': 0.8282352086218341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17976882391854244988}, 'section': 'Section::::Abstract.'}]}]