Question: who has been considered as universal blood doner person
[{'answer': 'type O Rh D negative', 'provenance': [{'wikipedia_id': '55309', 'title': 'Blood type', 'start_paragraph_id': 45, 'start_character': 60, 'end_paragraph_id': 45, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Clinical significance.:Universal donors and universal recipients.\n'}]}, {'provenance': [{'wikipedia_id': '55309', 'title': 'Blood type', 'start_paragraph_id': 45, 'start_character': 0, 'end_paragraph_id': 45, 'end_character': 629, 'bleu_score': 0.9393374239518271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4560486559260639948}, 'section': 'Section::::Clinical significance.:Universal donors and universal recipients.\n'}]}]