Question: who made the nano virus in stargate atlantis
[{'answer': 'Asurans', 'provenance': [{'wikipedia_id': '618691', 'title': 'Ancient (Stargate)', 'start_paragraph_id': 12, 'start_character': 899, 'end_paragraph_id': 12, 'end_character': 906, 'bleu_score': 1.0, 'section': 'Section::::History.:Pegasus Galaxy.\n'}]}, {'provenance': [{'wikipedia_id': '618691', 'title': 'Ancient (Stargate)', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 1386, 'bleu_score': 0.650051947492149, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9028363631988876763}, 'section': 'Section::::History.:Pegasus Galaxy.\n'}]}]