Question: who was the rfc editor until 1998 just provide the family name
[{'answer': 'Postel', 'provenance': [{'wikipedia_id': '13692', 'title': 'History of the Internet', 'start_paragraph_id': 114, 'start_character': 336, 'end_paragraph_id': 114, 'end_character': 342, 'bleu_score': 1.0, 'section': 'Section::::Internet governance.:NIC, InterNIC, IANA and ICANN.\n'}]}, {'provenance': [{'wikipedia_id': '13692', 'title': 'History of the Internet', 'start_paragraph_id': 114, 'start_character': 0, 'end_paragraph_id': 114, 'end_character': 445, 'bleu_score': 0.9699161750394991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14961312565808546948}, 'section': 'Section::::Internet governance.:NIC, InterNIC, IANA and ICANN.\n'}]}]