Question: who sponsored or started the colony at roanoke
[{'answer': 'Sir Walter Raleigh', 'provenance': [{'wikipedia_id': '74546', 'title': 'Roanoke Island', 'start_paragraph_id': 12, 'start_character': 106, 'end_paragraph_id': 12, 'end_character': 124, 'bleu_score': 1.0, 'section': 'Section::::History.:Overview.\n'}]}, {'provenance': [{'wikipedia_id': '74546', 'title': 'Roanoke Island', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 996, 'bleu_score': 0.9877670085238551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11684832018794607201}, 'section': 'Section::::History.:Overview.\n'}]}]